after a few month’training,为啥training 不用加s? 英语连字符问题.看题：after( )trainingA...

a few month\u8981\u52a0s\u5417

\u540e\u9762\u8981\u52a0\uff0c\u56e0\u4e3aa few\u8868\u793a\u4e00\u4e9b\uff0cmonth\u662f\u53ef\u6570\u540d\u8bcd\u3002

C
six-month 6\u4e2a\u6708\u7684
\u4f8b:
He has a six-year-old sister.
\u4ed6\u6709\u4e2a6\u5c81\u5927\u7684\u59b9\u59b9.

training \u8fd9\u91cc\u662f\u8bf4\u8bad\u7ec3\u7684\u6574\u4f53(6\u4e2a\u6708\u7684),\u4e0d\u52a0s.

training 是不可数的。不要在后面加s改复数形式。

没液体。。。

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