I emptied the sweet wrappers from the ashtray.我把烟灰缸里的糖纸倒掉。The grain store processed flour wrappers for Chinese dumplings.这家粮店把面粉加工成面皮供包饺子用.He flattened the wrappers and put them between the leaves of his book.他把包装纸压平，夹在书...
I emptied the sweet wrappers from the ashtray.我把烟灰缸里的糖纸倒掉。The grain store processed flour wrappers for Chinese dumplings.这家粮店把面粉加工成面皮供包饺子用.They package their goods in attractive wrappers.他们把货物包在好看的包装袋里....
He often works by rule of thumb.他通常凭经验办事.As a rule of thumb, a cup of filter coffee contains about 80mg of caffeine.凭经验估计，一杯过滤咖啡约含80毫克咖啡因。A good rule of thumb is that a broker must generate sales of ten times his salary ...
Randolph's work was exclusively concerned with the effects of pollution on health.伦道夫的著作专门论述污染对健康的影响。The snowcoach concept in Yellowstone provides low-impact, low-pollution access.在黄石公园里使用雪车这一想法，为人们提供了一种对环境低影响、低污染的游...