Aecom
abbr. Army Electronic Command 部队电子司令部
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
They've been divorced.
他们已离婚了。
I'm full, thank you.
我饱了，谢谢你。