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 I was your age, a girl would never ask a boy out on a date.
当我像你这么大的时候，从来没有女孩子主动约会男孩子的。
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
There is something comforting about the warm glow shed by advertisements on cold wet winter nights.
寒冷潮湿的冬夜里，广告灯箱发出的暖光，会给人某种安慰。