sentence You have three layers of skin which act as a barrier against disease. /You-have-three-layers-of-skin-which-act-as-a-barrier-against-disease.= 1

You have three layers of skin which act as a barrier against disease. 英语句型语法分析长句已解锁

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[[3, 6], [6, 7], [7, 14]]

sth. + 以 which 开头的定语从句,which 在从句中作主语


  • On Sunday, May 18, we will visit Beijing, which has a history of 400 years.
  • She came down slow from her addiction, which was good.
  • Jane made up the bed with her best linen sheets, which are always as white as snow.
  • A man in a light colored uniform is outside an Asian restaurant cleaning the display window which features exotic foods hanging on hooks.
  • The cake, which was very dry, crumbled up when I tried to cut it.
  • At the last minute, he cut out for the gate, which was closing very fast.
  • We first broke the law in a way which was peaceful.
  • The fact is that I earned my passage by working as an unpaid hand, which accounts for my appearance.
  • A man skateboarding at a skateboarding park which is covered in graffiti.
  • This part spins around and pivots on this little red spot, which is what they call a jewel.
[[3, 4], [4, 5], [5, 6]]

a + layer + of + sth.

n. 一层...

  • A layer of rock cropped out at the edges of the desert.
  • There is a light layer of snow sprinkling the landscape.
  • A layer of mist appears over a lake.
  • A group of people putting on layers of clothes for the cold winter.
  • The overweight dog hurls himself into the air to catch the Frisbee, his layers of fat billowed as he made his jump.
  • spread a thick layer of butter
  • everything was dusted over with a fine layer of soot
  • Burns are called first, second or third degree burns, depending on which layers of the skin are burned.
  • a thin layer of paint
  • a deep yielding layer of foam rubber
[[7, 8], [8, 9], [9, 11]]

act + as + sth.

v. 作为...

like 与 as 的区别

两者都含有像, 就像, 如同的意思。

注意! 当前仅对比在该相似语意下的区别




  • Like me, she enjoys all kinds of music. 她和我一样,各种音乐都喜爱。
  • She enjoys all kinds of music, as I do. 她各种音乐都喜爱,和我一样。


  • Nobody understands him [like/as] I do. 没有人能像我这样理解他。




  • He worked as a slave. 他是奴隶。(即: 他实际上就是奴隶。)
  • He worked like a slave. 他像奴隶一样工作。(即: 他工作很辛苦,但仍是自由人,不是奴隶。)
  • She worked as a teacher for many years. 她当了许多年的教师。(即: 她实际上就是教师。)
  • Our doctor always talks to me like a teacher talking to a child. 给我们看病的医生对我说话总是像教师对小学生说话一样。(即: 他不是教师,但以教师的方式。)


  • He ate like a beast. 他吃起东西来像只野兽。
  • She can eat like a horse and never put on weight. 她吃得很多,但从不发胖。

当表示用途时,用as而不用like,此时翻译成作为; 当作则更为恰当。

  • He used his umbrella as a weapon. 他把伞当作武器。
  • Please don't use that knife as a screwdriver. 请不要把那把刀当锥子来用。

  • Two kids acting as pirates.
  • he acted as a backstop in case anything went wrong
  • A group of teenage boys act on stage as Boy Scouts of America.
  • Two men are acting as look-outs during a bank robbery, trying to look casual.
  • She acts as the chair
  • Two young girls with sponge bats being to play while an older girl is acting as the referee.
  • The power line is acting as a perch for a bird.
  • they hoped it would act as a spiritual dynamic on all churches
  • the invasion acted as a catalyst to unite the country
  • he acted as a caretaker until a new president could be elected

act 的其它常用短语:

act as oneact adj. to sth.
act adj.act adj. at sth.
act high-and-mightyact young at heart
act up运作不正常act out sth.将...表演出来
act sth. out将...表演出来act sth.扮演
act like sth.表现得像...act for sb.为某人采取行动
act upon sth.对...起作用[有功效]act the part of sb.
act a part扮演一个角色act full of oneself.
act in earnestact like a cold fish
act like oneself. againact out将...表演出来
act tough on sb.act within one's rights
act your age举止成熟点act in sth.在...中表演
act a fool像个傻瓜一样act on sth.依...行事

[[5, 6]]


n. 皮(肤)


[[10, 11]]


n. 障碍, 栅栏



barrier 的其它常用短语:

a barrier to sth.
[[11, 12], [12, 14]]

against + sth.

prep. 与...相反; 相对..., 与...相对; 相比..., 和…相比; 反对...; 违反...; 对...不利; 防止...; 针对...; 预防..., 抵御...; 对阵...
prep. (紧)靠..., 倚..; 碰..., 撞...; 以...为背景


against 的其它常用短语:

be. against sth.违反against one's will违心地
against risksbe. against all odds
against all odds尽管很困难be. against one's will
be. against the clockagainst the clock抢在某一时刻之前
be. against the grain违反意愿against the grain格格不入

[[12, 13]]


n. 疾病


You have three layers of skin which act as a barrier against disease.



You have three layers of skin which act as a barrier against disease.


You主语 have谓语动词 three layers of ••• disease.宾语


which act as a barrier against disease.


which主语 act as...谓语动词短语 a barrier宾语
against disease.