Darpa
[计] 美国国防部高级研究计划局
🗣️ 情景例句
I really feel bad about it,
我真过意不去。
I put on my sweater.
我穿上了我的毛衣。
Mr. Smith knew Jack didn't look at the others because he was nervous.
史密斯先生知道杰克不敢看别人是因为紧张。