Cesium tribromide
[建] 三溴化铯
🧩 词语组成解析
n. 铯\\n[化] 铯Cs
n. [化]三溴化合物
🗣️ 情景例句
You can sit down now.
现在你可以坐下了。
You haven't been around much lately,have you?
你近来不大出来走动了，是吧？
The clouds had come down so suddenly we had no warning.
乌云突然出现，我们丝毫没有觉察。