n. 不倒翁（玩具）；杂技演员；翻筋斗者；一杯的容量；滚筒；平底玻璃杯
[
复数
tumblers
]
词根：tumble
adj.
tumbling 歪斜状的
n.
tumble 跌倒；翻斤斗；跌跤
tumbling 翻筋斗；摔跤
v.
tumbling 跌倒；毁灭；被绊倒（tumble的ing形式）
vi.
tumble 摔倒；倒塌；滚动；打滚；仓惶地行动
vt.
tumble 使摔倒；使滚翻；弄乱
1.First open your front door and check for a pin tumbler lock on it.
首先打开你的大门，并检查了不倒翁密码锁。
2.He put the sugar, mint and a little soda into a tall tumbler.
他在一只高脚杯子中加了糖、薄荷和一点苏打水。
3.The wine glasses and water tumbler are arranged to the top right of each setting.
酒杯和水杯要放到右上角的位置。
4.Lever-tumbler locks are often used in briefcases, safe-deposit boxes, and lockers.
杠杆式弹子锁通常用于公文包，保管箱，及储物柜。
5.A bumblebee, if dropped into an open tumbler, will be there until it dies, unless it is taken out.
如果把一只大黄蜂丢进一只敞口平底玻璃杯里，不把它拿出来，它会在那儿一直呆到死。
6.Most common pin and tumbler locks can be picked with a little luck and finesse—so before you call a locksmith, try this.
用一点运气加上策略，大多普通的弹子锁都能被打开——所有在你请锁匠之前，尝试一下这个。