L-lactic acid
[医] 左旋乳酸
🧩 词语组成解析
lactic
['læktik]
adj. 乳的;
🗣️ 情景例句
Good night, Son.
晚安， 孩子。
To worry about tomorrow is to be unhappy today.
担心明天，今天就不愉快了。
Are there any birds in the picture?
画里面有鸟吗？