Polyprotonic acid
[化] 多元酸
🧩 词语组成解析
🗣️ 情景例句
You're very lucky to have a caring family.
你很幸运有一个温馨的家庭。
Flowers are blooming.
花朵绽放了。
He was still smiling when the door opened and his wife came in.
他正笑着的时候门开了，他的妻子走了进来。