During the Second World War the area was used for gunnery practice.二战期间，该地区被用来操练火炮射击。The traditionally loud voice of the gunnery branch continued to dominate the debate.枪炮专业的声音仍然叫得很响,继续统治着争论.What can you tell me about th...
她用一种洗剂来滑润她的手.She lubricates her hands with a lotion.他们具有采用特种药物洗剂防止尸体腐烂的专门知识.They were experts at preserving the bodies of the dead by embalming them with special lotions.非 表面活性剂 的添加剂称作助洗剂,长期以来用以改进表面活性剂的去污作用.Nonsurfactant...
摘要目的观察鸡羽根 角蛋白 管作为组织工程材料的毒性作用.Objective To evaluate the toxicity of chicken calamus keratin ( CCK ) conduit as a tissue - engineered scaffold material.在这一阶段,有一簇羽枝会与中空圆柱融合在一起, 形成翮(即羽根).This stage produced a tuft of barbs f...