Velocitron
质谱仪
🗣️ 情景例句
According to the newspaper, Sally has quit her job.
报上说莎里辞职不干了。
Indirect communication is often considered as dishonest and tactical.
间接的沟通往往被认为是不诚实和具策略性的。
You mustn't move someone if they are badly hurt.
让她留在原地。如果有人受了重伤，你不能动他。