Halberd
n. 戟
✅ 同义词
🗣️ 情景例句
we would go down to the beach and catch crabs,
我们走到海边抓螃蟹，
What time's the next train to Washington?
下一趟去华盛顿的车几点开？
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。