It would need to deploy a parachute, descend through the clouds and transmit a GPS coordinate to a cell phone tower.
它需要打开降落伞穿过云层下降，把GPS坐标发射到手机基站。
Planes must zigzag from one ground beacon to the next, and ascend and descend in steps at each stage obtaining permission from the ground.
飞机从一个地面信标到下一个信标曲折飞行，在每一阶段都要经过地面的许可才能上升和下降。
Whether they are a peculiar sister group, or the ur-snake from which all others descend?
它们究竟是一种特殊的分支种群，还是其他各种蛇类的鼻祖？
"How can you dare," said she with angry look, "descend into my garden and steal my rampion like a thief?"
“你怎么敢，“她怒气冲冲地说，“溜进我的花园，像个贼一样偷我的莴苣？”
Some 3,000 city officials will descend on Capitol Hill on Tuesday to lobby for more money.
大约三千名市政官员将于周二突访美国国会山，为争取更多经费游说。
We didn't descend the mountain until noontime.
直到中午我们才下山。
We're not going to descend to such methods.
我们不会堕落到使用这些方式的份上。
Things are cooler and more damp as we descend to the cellar.
我们往地窖中下得越深，里面就越冷、越潮湿。
This morning I simply dived into deep water off the rocks nearest to the house, where they descend almost sheer.
今天早上我只是在最靠近房子的礁石深水处潜水，那里的岩石几乎是陡峭的。
A wild duck (Anas platyrhynchos) of which the male has a green head and neck. Most domestic ducks descend from the mallard.
一种野鸭（绿头鸭），其雄鸟具有绿色的头和颈。大部分驯化了的家鸭都是绿头鸭的后裔。
From there, the episodes descend into chaos.
从这时起，情节陷入一片混乱。
And he tells him to descend from the mountain.
然后让他下了山。
Something frightful was about to descend on him.
可怕的灾祸就要降临到他头上了。
I didn't expect him to descend to personal abuse.
我没料到他会堕落到对我进行人身攻击的地步。
The foothills descend into the subtropical Duars plain.
丘陵地带以下是亚热带的Duars平原。
And let me be Your footsteps, That descend from mountains tall.
我愿是您足迹，陪您走下山巅。
The primates eat fruit, leaves, and insects and rarely descend to the ground.
这些灵长类动物的食物包括水果、树叶和昆虫，它们很少会到地面上来。
It's like arriving on an industrial site, but in fact you descend into nature.
貌似抵达了工业区，其实是进入了大自然。
Amble from your canopied bed to your own private pool or descend a ladder directly to the sea.
从你被天蓬遮盖的床边缓慢走向你专属的私人泳池或者顺着阶梯直接通向大海。
At the end of this march I came to an opening, where the country seemed to descend to the west.
我走到尽头的时候，忽然走到一片开阔的地方，那里的地势仿佛向西低下去。
These lions are especially vulnerable to disease because they descend from as few as a dozen individuals.
这些狮子特别容易感染疾病，因为它们都是从那仅有的十来只狮子遗传下来的。
Many climbers leave their gear and trash behind as they descend due to exhaustion and lack of oxygen.
很多登山者由于体力不支和缺氧，在下山途中就将一些器具和垃圾丢在了山上。
Many climbers leave their gear and trash behind as they descend due to exhaustion and lack of oxygen。
很多登山者由于体力不支和缺氧，在下山途中就将一些器具和垃圾丢在了山上。
The porters earn about three dollars a day as they repeatedly climb and descend the city’s steep hills.
这些搬运工每天都在陡峭的山头上上下下，大概能赚到3美元。
"I can't let you do that," she says, envisioning, no doubt, the chaos that would descend in a matter of days.
“我不能让你做”她说，脑海中浮现出如果这么干，几天之内毫无疑问会降临的种种混乱。
"I can't let you do that," she says, envisioning, no doubt, the chaos that would descend in a matter of days.
“我不能让你做”她说，脑海中浮现出如果这么干，几天之内毫无疑问会降临的种种混乱。
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