这些课不是硬性规定要听的。Attendance at these lectures is not compulsory.参加晚祷并非硬性规定.Attendance at evening prayers is not compulsory.高水材料是一种新型水硬性无机胶凝材料,水灰比高达3.0.The material with high water is a new water - hardening inorganic gelling...
We were heading S . S . W . , and had a steady breeze abeam and a quiet sea.我们当时正向西南方向驶去,阵阵微风从船侧吹来, 海面上十分平静.Put the fire on lee side, with relative wind abeam.置火于下风舷, 并使船侧受风.The lighthouse was abeam of the ship.灯塔在船的正横方向...
Parliament had decided that his removal from power was illegal.国会决议认为他的免职是非法的。They were in the furniture removal business.他们做家具搬运生意。Clearance of the site required the removal of a number of trees.清理这一场所需要移走不少树。...
那只幼鹿在草地上跳跃着.The young deer were leaping about in the meadow.两只幼鹿无声无息地跑出树林 ( 南希M.德比乌斯 )Two young deer ghosted out of the woods ( Nancy M. Debevoise )幼鹿双角笔直尚未生叉的两岁雄鹿.A buck in its second year , before the antlers branch....
To observe the enzymic histochemical and ultrastructural changes of cryopreserved human retina.观察深低温保存不同时期人视网膜的酶组织化学及超微结构变化.Enzymic resolution of allethrone in industrial lipase was studied.研究了工业脂肪酶拆分消旋体烯丙酮醇.The SDF extr...