Cavitron
n. 一种无痛穿孔锥
🗣️ 情景例句
Get busy with your famous apple pie.
快做你拿手的苹果派吧。
In the United States ,there are many factories for making cloth.
在美国，有许多造布的工厂 。
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。