🗣️ 情景例句
Well, forty-seven, to be exact.
准确点说， 四十七年。
He was absent yesterday. Do you know why?
昨天他没到，你知道为什么吗？
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。