Aerotechnics
航空技术
🗣️ 情景例句
What's wrong, Susan?
有什么问题吗， Susan？
I wish to express my gratitude to you for your cooperation.
我要对你的合作表达感激之意。
Where is it? asked her mother.
“剩余的钱在哪儿？”她妈妈问。