狭隘自私的行为最终会自拆台脚。Narrowly self-interested behaviour is ultimately self-defeating.爱是自私的对立面。Love is the antithesis of selfishness.他也许是镇上最自私的人.He is possibly the most selfish man in the town....
一只年轻的海豹在南非干斯拜附近的巨藻丛中觅食.A young fur seal forages amid bull kelp near Gansbaai, South Africa.巨藻的微小部分显示出这种海洋植物非同寻常的特征.A tiny section of kelp exemplifies the extraordinary features of this sea plant....
The vacuum flask has a strong casing, which won't crack or chip.这种热水瓶瓶身坚固，不易断裂破碎。This wire has a plastic casing.这种电线外包塑料.There is a window fitting in a casing.有一扇装在框内的窗....
He has a BSc in Chemistry.他是化学理科学士.He completed his BSc in chemistry in 1934.他1934年获得了化学专业的理学士学位。Clean the fan plenum filters for all of the BSC cabinets.清除BSC机柜所有风扇组的过滤网.... J. Hodgkison BSc.霍奇金森理学士...