Benedict's solution
[医] 本尼迪特氏溶液(易于还原的铜盐溶液,检糖)
🧩 词语组成解析
🗣️ 情景例句
you need to work at it, Grandpa.
你得常练它， 爷爷。
He's not feeling very well today.
今天他觉得不舒服。
He will be earning only half as much as he used to,
他将来挣的钱只有他现在的一半。