Deque
其它 Othern. 双端队列；双队列
🗣️ 情景例句
and help a lot of other people.
且对其他很多人有益。
Do we have to wear the helmets?
我们得戴上防护帽吗？
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。