色婷婷狠狠18禁久久YY,CHINESE性内射高清国产,国产女人18毛片水真多1,国产AV在线观看

post是可數(shù)名詞么

post是可數(shù)名詞么?

post是可數(shù)名詞。

Space out the posts three meters apart .把這些柱子間隔三米排開。

I sent him an invitation to the wedding by post.

我將婚禮邀請(qǐng)函郵寄給他。

He leant against the post and it broke .他往桿子上一倚,桿子就斷了。

He could not immediately accept the post.他不能馬上接受這一職位。