Peptogen
n. 助消化物质,助消化制剂
🗣️ 情景例句
I promise not to think about the city.
我保证不再去想城里的事。
Fame is a magnifying glass.
名誉是放大镜。
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。