Half life of enzyme
[化] 酶半衰期
🧩 词语组成解析
half
[hæf]
adj. 一半的，半个的;
n. 半;一半;（啤酒等饮料的）半品脱;（比赛、音乐会等的）半场;
adv. 一半;部份地;
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Oh, you're welcome.
噢！请别客气。
No man (or one) is wise at all times.
聪明一世糊涂一时。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。