持续吸烟可导致咽喉内表膜的异常增厚，同时也会发生可引起喉癌的细胞突变。
Continued smoking produces abnormal thickening in the membranes lining your throat, and cellular changes that may cause throat cancer will happen as well.
Skylifter计划使用数个上述装置来控制飞行器的水平运动，并在表膜层内置浮力控制系统来调节垂直升降。
Skylifter plans to use several such drives to control the craft's horizontal motion and to aid a buoyancy-control system within the envelope in moving the vehicle up and down.
气压式高度表测量气压是参照海平面的，透过一连串的真空膜盒、齿轮和弹簧来移动刻度盘上的指针。
The mechanical pressure altimeter measures atmospheric pressure relative to sea level through a series of bellows, gears, and springs, which move Pointers on a dial.
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