Microtest
精密试验
🗣️ 情景例句
The children's performances brought down the house.
孩子们的演出博得满场喝彩。
How much is a call to the United states?
打一个电话到美国去需要多少钱？
I'm afraid I can't do that right now. the manager isn't here.
恐怕我现在不能退钱给你。经理不在这里。