| [/ˈtʌmblə(r); ˋtʌmblɚ/] n 用法:
1 (a) flat-bottomed straight-sided drinking-glass with no handle or stem （无柄、 无脚、 平底、 直壁的）玻璃杯. =>illus at glass 见 glass 插图.
(b) (also tumblerful [/-ful; -fʊl/]) amount held by a tumbler 一玻璃杯的容量:
a tumbler of milk 一玻璃杯牛奶. 用法:
2 part of a lock that holds the bolt until lifted by a key （锁的）制栓（用钥匙开启锁栓的部件）. 用法:
3 acrobat who turns somersaults, esp on the ground 翻筋斗的杂技演员（尤指在地面上的）. |