Piston ring
[化] 活塞环; 涨圈
📖 牛津释义
piston ring
split metal ring that fits into a groove on the rim of a piston to make a gas-tight seal 活塞环.
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
Because some of their criticisms are based on misconceptions about our country.
因为他们对我们的一些批评主要是基于对我们国家的误解。
Over there.
在那边。
Chaplin lived the last years of his life in Switzerland, where he was buried in 1977.
卓别林在瑞士度过他的晚年，1977年他被安葬在那里。