Quaternary compound
[医] 四元化合物
🧩 词语组成解析
a. 四个一组的, 四元的, 四价的, 季的\\n[计] 四进制的, 四元的
🗣️ 情景例句
A good marriage takes work and shouldn't be based on feelings alone.
一段好的婚姻要用心去经营，而不是仅仅建立在感情的基础上。
I've got a pain in my back.
我背疼。
“I wish I'd known about that rule earlier, she said.
“我要是早点知道这个规矩就好了！”她说。