Darpa
[计] 美国国防部高级研究计划局
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
To jump into the pool
跃入游泳池中
He has a strong will.
他意志坚强。