我慢慢地把那些沉重的黑色尼龙袋的拉链拉上并锁好。I slowly zipped and locked the heavy black nylon bags.埃迪把他的自行车靠在路灯柱上，用挂锁锁好。Eddie parked his cycle against a lamp post and padlocked it.她小心翼翼地把枪擦拭干净，放进枪盒里锁好。She meticulously cleaned the gun and loc...
We shall retain our rights.我们将保留我们的权利。You must retain your school reports.你必须将学习成绩单保存好。Lungs retain relatively insoluble particulate material.肺脏内留有不溶解的颗粒物质.They may be expected to retain an important place in radiation d...