?? 詞語組成解析
genus
['d?i:n?s]
n. （動植物的）屬;類;種;型;
??? 情景例句
But some things are personal or private, and questions about them are not polite.
但是有些事是私人的，問這些方面的問題是不禮貌的。
Do you think you could keep the noise down?
你看能不能小聲一些？
It's a good idea to hold such conferences.
召開這樣的會議真是個好主意。