| 释义 |
foreign substance短语⁵⁸⁴⁴⁹
基本例句
杂质
The foreign matters mainly come from the green coffees which are dry processed and dried on floors.该等外来物质一般是因为干处理咖啡生豆是在晒场地上晒干时混入的。
Avoid damaging effects of foreign matter in the flow by using a strainer ahead of the valve.为了避免外来物质的破坏作用，要在阀门前面采用一个过滤器。 |