Flaptile
凹瓦
🗣️ 情景例句
You're most welcome.
不用客气。
This round table is good.
这张圆桌很不错。
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。