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
Does this come with a certificate of authenticity?
这有鉴定证明吗？
Well, what do you want?
不然你想怎样？
Insurance companies are normally willing to insure anything.
保险公司一般说来愿意承保一切东西。