老师查看花名册,想了解今年要教的学生.The teacher checked the roster to see whom he would teach this year.我们已经掌握每个人的儿子的花名册.We do have a list of each man's sons.在花名册上,我仍是杰鲁莎.I'm still " Jerusha " in the catalogue....
光线用棱镜 、 光栅或干涉仪分解.The light is resolved by prisms, gratings, or by an interferometer.光栅摄谱仪有两种类型.The grating spectrograph is built in two designs.光栅由金属或丝制造.The grating are made of rods or wire....
Europe's largest producer of nylon is based in Belgium.欧洲最大的尼龙制造商总部设在比利时。A very virulent form of the disease appeared in Belgium.比利时出现了这种疾病的一种极其危险的变体。He was saving his energy for next week's race in Belgium.他正为...