tumbler

漢語翻譯

n. 平底玻璃杯, 一杯的容量, 雜技演員, 翻斤斗者
【機】 滾光機, 滾筒, 齒輪換向器

英文解釋：

名詞 tumbler:

1. a gymnast who performs rolls and somersaults and twists etc.
2. a glass with a flat bottom but no handle or stem; originally had a round bottom
3. a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown
4. pigeon that executes backward somersaults in flight or on the ground
   同義詞：roller, tumbler pigeon

例句：

1. He drank up a tumbler of milk.
   他喝光了一玻璃杯牛奶。
2. He was a tumbler when he was young.
   他年輕時是個翻筋斗的雜技演員。