L-lactic acid
[医] 左旋乳酸
🧩 词语组成解析
lactic
['læktik]
adj. 乳的;
🗣️ 情景例句
Stop bugging me.
别烦我了。
I'm sorry,but both of them are busy right now.
很抱歉他们现在很忙。
He uses a lift to go up and down.
他乘电梯上上下下。