Gcms
[医]Gas Chromatography-mass Spectrometer
🗣️ 情景例句
No. Thank you.
不用了，谢谢。
How much is it to rent an economy car?
租一辆经济车要多少钱？
Such creatures have rarely been seen alive by man as they live at a depth of six hundred feet.
人们很少能看到活着的这类动物，因为它们生活在600英尺深的水下。