Molecular clock
[计] 分子钟
🧩 词语组成解析
clock
[klɑk]
n. 钟，时钟;计时器;秒表;仪表;
vt. 记录（时间或速度）;测…的速度;
vi. 打卡;记下时间;
🗣️ 情景例句
from the old clothing of every member in the family
从每位家庭成员的旧衣服上
Every man has his weak side.
人人都有自己的弱点。
I must apologize!
我必须道歉！