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
having to take care of the baby all weekend.
整个周末照顾孩子。
We are very interested in your printed pure silk scarves, could you give us some idea about your price?
我们对贵方的印花真丝围巾很感兴趣，请介绍一下贵方的价格好吗？
OK. We'll meet again tomorrow and make a decision then.
好吧。我们明天见，那时再作决定。