?? 詞語組成解析
genus
['d?i:n?s]
n. （動植物的）屬;類;種;型;
[醫] 黑三棱屬
??? 情景例句
These are polite questions.
這些問題都是禮貌的。
The whole thing was held up about half an hour.
整個事情耽擱了約半小時。
Do you give each other presents at Christmas?
圣誕節你有送禮物給別人嗎？