🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
🗣️ 情景例句
How come she hates birds?
她为何讨厌鸟？
I'm free tonight.
我今晚有空。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。