Attenuvax
麻疹减毒活疫苗
🗣️ 情景例句
I hear Max.
我听到Max哭了。
Where are you going this afternoon?
今天下午你哪里去了？
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已经设计出了一些仪器，它按照一定的安放方式就可测绘出这三种运动的曲线图。