Strength of acid
[机] 酸的强度
🧩 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];
🗣️ 情景例句
Oh, I see. I've had lots of work to do in New York.
哦，原来如此。我在纽约也有好多工作要做。
I'm twenty-one years old.
我21岁。
No, Mom, said Lucy. I forgot the money!
“没有，妈妈，”露西说，“我忘记带钱了！”