🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
🗣️ 情景例句
before Michelle and her friends arrived.
在Michelle和她的朋友们来之前。
The greatest pleasure of life is love.
爱是人生最大的乐趣。
Work on it had begun before my sister left.
这栋房子在我姐姐离开之前就已动工了，