“投邮”造句
请将这些信件
投邮.
Please take these letters to the post.
将十封分属十个信封的信打乱,任意装进信封,并随便
投邮.
Ten letters that belong in 10 particular envelopes are scrambled and stuffed and mailed at random.
使用
投邮的办法必须在任何情况下是合理的.
It must be reasonable in all the circumstances to use the post.