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
You want Michigan to win.
你希望Michigan队赢球。
Love is sweet in the beginning but sour in the ending.
爱情始甜而终苦。
but they did not go out of their way to court such excitement.
但是，他们并非故意寻求这种刺激，