Betaine formula
[機] 內銨鹽式
?? 詞語組成解析
n. [化]甜菜堿, 三甲銨乙內酯
formula
['f?:mjul?]
n. 公式，準則;客套話;方案;嬰兒食品;
??? 情景例句
You did?
你請了她？
He is proud of his achievement.
他為自己取得的成就感到驕傲。
My wife always worries too much.Who's going to look after the dog?
我妻子總是擔心那的。誰來照看狗啦，