Valib
n. 有效
🗣️ 情景例句
Can I speak with Mr. or Mrs. Burns?
我可以跟Burns先生或太太通话吗？
Having this new branch means a great deal to the economy of both countries.
这家分行的建立将对两国的经济交流起到很大的作用。
What's the weather going to be like at the weekend?
周末的天气怎样？