Thanks, John. You really go out of the way to make me feel welcome. Thanks you very much.
约翰,谢谢你。你真是煞费心思来让我感受到欢迎。谢谢你!
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。