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
Lacks planning for career, has no purpose or goals.
对自己的事业没有安排，没有目标和理想。
How did you sign the letter?Did you write, sincerely yours?
你怎么签名信的?你写了"真诚地你的"？
In 1928 some porpoises were photographer working like beavers to push ashore a waterlogged mattress.
1928年，有人拍摄到了海豚像海狸一样把浸透水的床垫推上岸的情景。