I learn how to save lives and most such courses tell students how to avoid dangerous situations.
我学习如何拯救生命，大多数这类课程都告诉学生如何避免危险情况。
Look ahead to where you will be in the next 12 to 15 seconds for dangerous situations or obstacles that you can avoid by changing your speed.
观察前方路况，注意12至15秒后要通过位置是否有危险状况或是障碍，以便调整车速避让。
Look ahead to where you are going to be in the next 12 to 15 seconds for dangerous situations or obstacles that you can avoid by changing your speed.
观察前方路况，注意12至15秒后要通过位置是否有危险状况或是障碍，以便调整车速避让。
Look ahead to where you will be in the next 12 to 15 seconds for dangerous situations or obstacles that you can avoid by changing lanes.
观察前方路况，注意12至15秒后要通过位置是否有危险状况或是障碍，以便调整车速避让。
People with narcolepsy should avoid situations in which a sudden sleep attack might be dangerous . this includes actiities like driling , skiing , and operating machinery or power tools.
嗜睡者在开车、滑雪、运转机器或动力设备的时候应避免突然入睡，否则会招致危险状况的发生。
People with narcolepsy should avoid situations in which a sudden sleep attack might be dangerous . this includes actiities like driling , skiing , and operating machinery or power tools.
嗜睡者在开车、滑雪、运转机器或动力设备的时候应避免突然入睡，否则会招致危险状况的发生。
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