Lactonic acid
[医] 半乳糖酸
🧩 词语组成解析
a. [化]内酯酸的, 无水氢氧酸类的
🗣️ 情景例句
It probably means he's clearing his throat.
也许表示他正在清喉咙。
I haven't the least idea.
我一点儿也不知道。
They're both fine,too. What about your family?
他们也都很好。你的家人好吗？