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
Can you weigh this for me?
你能帮我称称这（包裹）吗？
How much is this land per acre?
每英亩地要多少钱？
They're both fine,too. What about your family?
他们也都很好。你的家人好吗？