下落时间的英文

down time

fall time

lowering time

time of fall

• 下落:    whereabouts
• 时间:    time; hour
• 自由下落时间:    free-fall time

例句与用法

1. Because in the toy has sufficient , therefore from power cut time stands in the peak body weight 90kg grown - up touches when the place stops , needs at least after the test 70 second above slowly the time of fall , therefore cannot cause the damage to the child
   因为玩具内有充足的空气量，所以自停电时起站在最高点的体重90kg的成年人脚触地时止，经测试至少需要70秒钟的以上的缓缓下落时间，所以不会对儿童造成伤害。