Someone keeps dropping off and coming back on but no one knows who.
有人半途掉线，又半途进来，但是谁也不知道是谁。
Water prevents the needles from drying and dropping off and maintains the fragrance.
水能使松针保持色泽和柔韧，阻止松针大量脱落。
As I was just dropping off, I heard a loud banging noise.I told myself it was just the neighbors and to stop making myself paranoid.
我刚要睡著，突然听到砰砰的巨响，我心想可能是邻居，告诉自己不要乱想。
He and his wife were busy Saturday, dropping off their only child, Allie, at Earlham College in Richmond, Ind., to begin her freshman year.
因为他和妻子在周六忙着送他们的独生女allie去里奇蒙的厄勒姆学院，开始她的大一新学年。
Because they were so sensitive to deadly gases such as methane and carbon monoxide, a canary dropping off its perch was a highly visible signal to the miners that it was time to leave.
因为它们对于甲烷和一氧化碳等致命毒气非常敏感，从栖木上掉下来的金丝雀是一个明显的信号，告诉矿工是时候离开了。
Forget counting sheep, next time you are having trouble dropping off to sleep try putting on a jazz CD.
把数羊入睡的办法忘了吧，下次如果你再睡不着的话，试着放一张爵士乐的CD听听。
Tapping on the brakes at the right time can mean surviving a hairpin turn without dropping off the cliff.
在合适的时候点刹车意味着成功通过夹弯而非冲下悬崖。
STOP! If you are dropping off your son's forgotten lunch, books, homework, equipment, etc., please TURN AROUND and exit the building.
如果您是要进来给孩子送他忘了带的午餐、课本、功课、物品等等，请您转身并离开这栋大楼！
As I was just dropping off, I heard a loud banging noise. I told myself it was just the neighbors and to stop making myself paranoid.
我刚要睡着，突然听到砰砰的巨响，我心想可能是邻居，告诉自己不要乱想。
A woman who was dropping off her daughter at a day care center had parked for 10 minutes and returned to find her window smashed and her purse gone.
一个女人把女儿送到日托所，就停了10分钟，回来就发现车窗被砸，包包不见了。
The Boston Police division that regulates taxis says Cohen faces suspension for violating rules requiring drivers to inspect their cabs for forgotten items after dropping off a fare.
管理计程车的波士顿警察分局说，柯恩因为违反规定而面临停业；依规定，计程车司机要在送乘客下车后，检查车内是否有遗忘的物品。
So the penguins in Antarctica that feed in the open ocean are doing okay; the penguin species that feed by just dropping off the ice shelves, like the Adelie and the emperor (pictured), are declining.
因此，在南极洲远海带捕食的企鹅适应得比较好，而只靠从冰架上跃入水中捕食的阿德利企鹅和帝企鹅(如图所示)则面临衰落。
Dropping off the dog will take us several hours off the planned route, so we review our day's schedule with this adjustment in mind.
送走小狗会花去我们若干小时，这使我们偏离所计划的路线，因此我们在心中审视我们一日的安排，并进行相应的调整。
Dropping off the dog will take us several hours off the planned route, so we review our day's schedule with this adjustment in mind.
送走小狗会花去我们若干小时，这使我们偏离所计划的路线，因此我们在心中审视我们一日的安排，并进行相应的调整。
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