Massenfilter
[机] 四极质谱仪
🗣️ 情景例句
The number you are calling -- 555-8448 --
你打的电话号码555 8448
She gaped in surprise when Robert arrived.
当罗伯特来的时候，她吃惊得长大嘴巴呆住了。
Obviously she's gone somewhere to stay.
很明显她去别的什么地方，呆在那儿了。