米切尔的日程安排使他无法休假。Mitchel's schedule had not permitted him to take time off.两家航空公司将在票务和航班安排上展开合作。The two airlines will cooperate on ticketing and schedules.应该让母亲来重新安排自己紧张的日程。It is the mother who is expected to reorgani...
China was the first country in the world to synthesize crystalline insulin, a bioactive protein.中国在世界上最早用人工方法合成一种有生物活力的蛋白质--结晶胰岛素.Microorganisms can produce many beneficial bioactive substances through secondary metaboli...
For most practical cases ergodicity cannot be experimently determined.对最实际的一些情况,各态经历性不可能由实验来决定.They wanted to design a machine that was both attractive and practical.他们想设计一种既美观又实用的机械。How could she be so practical when he...