✅ 同义词
🗣️ 情景例句
Hello, Dad.
你好， 爸爸。
Perhaps you've heard our product's name. Would you like to know more about it?
也许你已听说过我们产品的名称，你想知道更多一点吗？
This machine joins the metal pieces together, he said.
“这台机器把金属片焊接起来，”他说