🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
🗣️ 情景例句
Please don't do it without asking.
未经允许请不要那么做。
To hold a firecracker
拥有爆竹
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。