Objective to find out the genotoxicity of main stream and side stream of the cigarette.

目的确定香烟主流烟雾与侧流烟雾对小鼠的遗传毒性效应及两者遗传毒性的差别。

Objective To observe the changes of ventilation and respiratory dynamics in patients undergoing bronchial intubation with double channel catheter and monitored by Side Stream Spirometry(SSS).

目的应用旁气流通气监测法（SSS）观察双腔支气管导管插管患者围术期呼吸功能变化。

Travellers get from one side to the other by walking across a footbridge that spans a little stream.

旅游者通过一座横跨小溪的人行桥从一边走到另一边。

She took a flying leap and landed on the other side of the stream.

她一个飞跃跳到小溪的对面。

The nearest road was on the other side of the stream.

距离最近的一条道路在小溪的另一边。