| 释义 |
DEFINITIVE EXAMPLES 权威例句〔backpressure〕Residual pressure opposing the free flow of a gas or liquid, as in a pipe or an exhaust system.余压:阻止气体或液体自由流动的剩余压力,如在管道或废气排放系统中美国传统〔movement〕The agreement governs the free movement of goods between countries.该协议规范各国间货物的自由流动。麦克米伦高阶There is free movement of capital and labour within the European Union.欧盟内部资本和劳动力可以自由流动。牛津商务 |