🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
🗣️ 情景例句
Don't worry, it's in the bag.
不用担心， 这事儿十拿九稳。
He is lifeless that is faultless.
人孰无过。
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言，我们只关心一种费用-