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
Some music tapes and some blank tapes
带一些音乐带和一些空白带
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
On the village green, where you pick up sides and no feeling of local patriotism is involved, it is possible to play simply for the fun and exercise:
在乡间的草坪上，当你随意组成两个队，并且不涉及任何地方情绪时，那才可能是单纯的为了娱乐和锻炼而进行比赛。