Store cylinders away from heavily traveled areas and emergency exits. 钢瓶储存在远离人们经常出入的地方和紧急出口。
The region's most heavily traveled highways. 这个区域交通量最大的高速公路。
Unfortunately, as the use of cars has increased, it's been accompanied by a serious problem-deteriorating air quality in heavily traveled parts of the country. 不幸的是,随着汽车使用量的增加,严峻的问题也随之而来:这个国家中交通拥挤的地区空气质量持续恶化。
You may drive along a straight, heavily traveled road not far from a busy city. 你可以沿着一条离闹市不远,有行人不断来往的笔直公路驱车前进。