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2018-5-26 09:28 |
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本帖最后由 隋云飞 于 2018-5-26 17:53 编辑 9 Q) x: p6 K% E8 d
4 `2 w5 O- q; W$ w/ ?) t. U7 J1 z) s; |$ Rintestine 是可数名词' x0 }% ? w0 E ?
但每个人只有2个intestine,
p# Q. |( M3 i" ]3 tthe large intestine1 e$ V A; L) {2 e
the small intestine
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所以
5 b( y) k1 r* U% u# PYour intestineS are the tubes in your body through which food passes when it has left your stomach.$ N) Y/ V& O: R1 C; e
Your mouth, stomach, and intestineS are called your digestive system.
. u7 E& [: a, S这里之所以用复数，就是因为大小肠共称intestineS
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bacteria that live in the intestineS 意思当然就是大小肠上的细菌。
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发表于 2018-5-26 17:47:30
