?? 詞語組成解析
genus
['d?i:n?s]
n. （動植物的）屬;類;種;型;
香椿屬
??? 情景例句
Is there a limit to how many I can purchase at this price?
我買這種東西在數(shù)量上有什么限制嗎？
He sketched his own part in the affair.
他概述了自己在此事中的作用。
But this does not matter, for, as he has often remarked, one is never too old to learn.
但這沒有關(guān)系，因為正如他常說的那樣，人要活到老學(xué)到老。