Cesium dioxide
[化] 二氧化铯
🧩 词语组成解析
n. 铯\\n[化] 铯Cs
🗣️ 情景例句
Weren't they going to be here this morning?
他们不是今天早上要来这儿吗？
Over 5,000 hours of work went into this software, and today it's my privilege to bring it to you.
这种软件的研制超过5000工作小时，今天我很荣辛地向你们展示它。
Do you usually buy in large quantities?
你们的订购量通常都很大吗？