Synchrometer
回旋共振质谱仪, 射频质谱计, 同步计, 同步指示计
🗣️ 情景例句
I had never been there before.
我以前从来没有去过那里 。
You should have your suit cleaned and ironed.
你应该把你的套装拿去洗烫一下。
I could see a snake, a bear, a wolf, but no people.
我还看见一条蛇、一只熊、一只狼，但没有看见人。