🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
[医] 莳萝属
🗣️ 情景例句
How's that?
怎么是这样？
To have teeth pulled
拔牙
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。