?? 詞語組成解析
genus
['d?i:n?s]
n. （動植物的）屬;類;種;型;
??? 情景例句
Is there a limit to how many I can purchase at this price?
我買這種東西在數量上有什么限制嗎？
To speed away
快速離開
That might be quite expensive.
那花錢可就多啦。