Caesium clock
铯钟
🧩 词语组成解析
[医] 铯(55号元素)
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
I suggest that we go climb White Cloud Mountain tomorrow.
我建议明天一起去爬白云山。
Have you send him any pencils?
你送他铅笔吗？
I haven't heard from her for a long time.
我好久没有她的消息了。