房间很安静，无人主动提供更多的信息。The room was quiet; no one volunteered any further information.如果汽车采用更多塑料元件，寿命会更长一些。If you build more plastics into cars, the car lasts longer.如果天气适宜，会有更多的人被吸引到骑自行车的行列中来。More people would be attracted t...
在白垩质土壤中添加有机物可降低其碱性。Incorporating organic material into chalky soils will reduce the alkalinity.有些土壤其实碱性过强，不利于某些植物生长。Some soils are actually too alkaline for certain plant life.抗酸剂是碱性的，通过中和胃容物中的酸来减轻疼痛。Antacids are alkalin...
He and Hannah had been scuffling in the yard outside his house.他和汉娜一直在他房外的院子里扭打。Hannah's natural manner reassured her, and she relaxed.汉娜轻松自然的举止消除了她的疑虑，于是她放松了下来。Hannah had " dished up " an astonishing breakfast for ...