🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
Sit down, please.
请坐。
The letter x stands for an unknown number.
字母x代表未知数。