✅ 同义词
🗣️ 情景例句
Hello.
你们好。
I can't express how happy I am that you have come.
我无法说出来了我是多么高兴。
He has been able to tell us more about active volcanoes than any man alive.
他能告诉我们的有关活火山的情况比任何在世的人都要多。