Les
abbr. 发射脱离系统（Launch Escape System）
🗣️ 情景例句
Boswell's a powerful speaker.
Boswell是个有辩才的演说家。
The frog is frightened at the sight of a snake.
那只青蛙因为看到了蛇而战抖。
They also found out that bees fly a maximum distance of 3.2 kilometres between their hive and a feeding place.
他们还发现蜜蜂从蜂箱到喂食点的最大飞行距离是3。2公里。