Enzyme activity
[化] 酶活力
🧩 词语组成解析
🗣️ 情景例句
You have a good command of English.
你的英语水平很好。
The morning sun never lasts a day.
好景不常。
The day after the birth of the five children, an aeroplane arrived in Aberdeen bringing sixty reporters and photographers.
五胞胎降生第二天，一架飞机飞抵阿拜丁，随机带来60名记者与摄影师。