🧩 词语组成解析
genus
['dʒi:nəs]
n. (动植物的)属;类;种;型;
🗣️ 情景例句
How are you?
你好吗?
Practice makes perfect.
熟能生巧。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率,是在1951年被人类发现的。