🗣️ 情景例句
They are constantly quarreling.
他们时常吵架。
Packing charges are excluded in the quoted prices.
包装费用未算在报价中。
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。