Gravimetric
a. 测定重量的, 重量分析的
🗣️ 情景例句
Keep your nose to the grindstone; you'll succeed.
埋头苦干，总有成功的一天。
How did he get away with cheating?
他是如何考试做弊而未被发现？
No one knows.
没有人知道。