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
Your grandfather went to the Engineering School there.
你爷爷进那个工学院。
He feels resentment at the interruption.
他因被人打断而恼怒不已。
The Olympic Games will be held in our country in four years' time.
4年以后，奥林匹克运动会将在我们国家举行。