He lay on the beach, sifting the sand through his fingers.他躺在沙滩上用手筛砂子玩.I stood at the foot of the collapsed tower and watched the rescue workers sifting through the debris.我站在倒塌的高塔脚下，看着救援人员在瓦砾堆中搜寻。I was sifting the cinde...
有些植物在寒冷的气候条件下不能结果实.Some plants will not seed in a cold climate.科学家将研究各种树木，并观察哪些会结果实。The scientists will study the variety of trees and observe which are fruiting.他砍掉那些不结果实的植物。He cut down those acarpous plant....
用贮藏的一罐炼乳为茶添加了甜味。The tea was sweetened with a hoarded tin of condensed milk.自1908年以来氯就被添加进饮用水当中。Since 1908, chlorine has been added to drinking water.在白垩质土壤中添加有机物可降低其碱性。Incorporating organic material into chalky soils wil...