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
I can't look at another number.
我简直一个数字也看不进去了。
Would you help me lift this heavy box?
你将帮助我提起这个重盒子吗？
but rarely with bicycles made for two.
不过双人自行车则不容易看到。