Beckmann's apparatus
[医] 贝克曼氏仪器(测定分子量用)
🧩 词语组成解析
🗣️ 情景例句
I don't want to cut class.
我不想逃学。
Respect yourself, or no one else will respect you.
君须自敬，人乃敬之。
But George's parrot, Henry, was still there.
但时乔治的鹦鹉亨利仍在那里。