即物体的实际重力，它不随物体运动状态变化而变化的．
实义词的零重音常常被忽略，这是很多英语学习者难以说一口地道英语的原因之一。
In the natural and fluent English, the zero stress is more common than the other two, but the zero stress of the content words is often overlooked.
工人的身高、重等对钳工实作技能没有明显影响。
The height and the weight of workers have no more distinct effect on their operation skill.
茶芽饱满重实，香高味爽。
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