Katal
[化] 开特; 卡塔尔(酶活性单位;符号kat,等于mol/sl)
🗣️ 情景例句
Sir, everything now is offered with a great discount.
先生，所有的东西都在打很大的折扣。
When the heart is afire, some sparks will fly out at the mouth.
心中发火，口吐妄言。
but it was impossible to stop the thieves.
但他已无法抓住那些窃贼了。