Pdms
等离子体解吸质谱法
🗣️ 情景例句
I always neglect my health.
我老是忽视我的健康。
We have new methods like compensation trade and joint ventrue.
我们有补偿贸易和合资经营。
I often watch TV, but sometimes I read.
我经常看电视，有时看书。