Bivalent hydrocarbons
[医] 二价烃类
🧩 词语组成解析
a. 二价的\\n[化] 二价的
n. <化>碳氢化合物, 烃( hydrocarbon的复数形式 )
🗣️ 情景例句
That's five points also.
也是五分。
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
Following in his father's footsteps many years later, Sir Malcolm's son, Donald, also set up a world record.
很多年之后，马尔科姆爵士的儿子唐纳德踏着父亲的足迹，也创造了一项世界纪录。