Lambs gamboled in the meadow.小羊在草地上欢跳.lambs gambolling in the meadow在草地上蹦蹦跳跳的小羊羔In the spring, the meadow is a mass of daffodils.春天，草地上开满了黄水仙。The workers are scything in the meadow.工人们正在草地上割草.There are lambs frisking in ...
Chitin synthase is the important enzyme that converts UDP - GlcNAc to chitin.摘要几丁质合成酶是生物合成几丁质的关键物质.Chitin, chitosan are recycling natural polymers with abundant and excellent properties.甲壳素 、 壳聚糖是可再生的天然高分子化合物,来源丰富、性质优良.C...
雾化过程比汽化过程对扰动更为敏感.The atomization process is more sensitive to disturbance than vaporization.这些空气改善了从 低速 出口喷出的燃料的雾化.This air improves the atomization of fuel coming fron the low - speed port .目的探讨可比特雾化吸入治疗毛细支气管炎的疗效.Object...
The law forbids shops to sell alcohol to minors.法律禁止商店向未成年者出售含酒精的饮料.He had three minors this semester.这学期他有三门副修科目.The approach has virtually ended cigarette sales to minors.这个方法实际上杜绝了向未成年人出售香烟的现象。...