Derivometer
测偏仪
🗣️ 情景例句
and see how the plan works.
看看这项计划实施得如何。
People greet one another with Happy New Year.
人们相互祝福“新年好”。
While we were having breakfast, our little boy, Tommy, found two small coins on the floor.
正当我们吃早饭时，我们的小男孩汤米在地上找到两枚小硬币。