White powdered homopolymer resin produced through suspension polymerization ( medium degree of polymerization ) .以悬浮聚合方式制造的单聚合物树脂,是白色粉状的中 聚合度 产品,消光效果优良.The homopolymer and the copolymer of acrylic acid and acrylamide is ...
舷梯上许多人上上下下。There's a lot of rushing up and down the gangways.总统在飞机的舷梯上向人群挥手.The president waved at the crowd from the steps of the plane.她在警卫的护送下上了飞机尾部的舷梯。She was shepherded by her guards up the rear ramp of the air...
他们拆掉了木栅栏，并砍去了一些树枝。They've torn down wooden fences and broken branches off trees.他们拆掉户籍登记处后，那里留下了一片空地。They'd pulled the registry office down which then left an open space.该市将拆掉这幢大楼，在这儿建个公园。The city will tear dow...
Are these lettuces home - grown or did you buy them in the market?这些生菜是自家种的呢,还是你在市场上买的?My lettuces have gone to seed.我种的莴苣已结子.The most popular ones include head lettuces as iceberg, Boston, bibb and romaine.最常见是一些头型莴苣,比如...