🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
水黾属
🗣️ 情景例句
Sure.
当然。
How much is it by air mail?
航空信要多少钱？
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。