Qms
[化] 四极质谱仪
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
The doctor said it's just an insert bite, There's nothing to worry about.
医生说只是被昆虫咬了一口，不需要担心。
By this time, however, three men had come into the ring and they quickly dragged the drunk to safety.
好像连牛也在为他感到遗憾，