Activity of h ion
[机] 氢离子活度
🧩 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];
ion
['aiən]
n. <物>离子;
🗣️ 情景例句
When you go to a new school it takes a while to know the ropes.
到一所学校读书要花一段时间熟悉情况。
Necessity and opportunity may make a coward valiant.
需要和机会，可使懦夫变勇敢。
Well, if you go to five reputable stock brokers and ask them what you should do with your money,
如果你去向5位有威望的股票经纪人咨询，询问你应该如何使用你的资金，