只使用轻而薄的护具，如果护具太厚，你可能会养成一种错误的自信。
Only use light and non-bulky protective equipment, if it's too thick, you may gain a sense of false confidence.
ETFE膜是一种塑料，它轻而薄，良好的透光性使它成为建筑界最节能、环保的材料之一。
ETFE is a thin, lightweight and transparent plastic film that is considered one of the most energy-saving and environmentally-friendly construction materials.
莱特兄弟在1903年12月17日用一架轻而薄的，单螺旋桨的飞机实现了一系列短距离飞行，从而证明了这并非不可能。
The Wright brothers proved otherwise on December 17th 1903, making a series of short flights in a flimsy, single-propeller plane.
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