Number of molecules
[化] 分子数
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 分子, 微粒；摩尔（molecule的复数）
🗣️ 情景例句
And don't ever forget it.
永远别忘记这一点。
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
The episode could reasonably serve as a unique epic of royal espionage!
这一幕历史可以说是王室谍报活动中最精彩的篇章。