Jet engines are very powerful.

The teacher explained the idea of jet engines until the students latched onto it.

老师讲解什么是喷气发动机,直到学生了解为止.

Metreveli's design, called the Eagle, calls for two jet engines that turn four large horizontal propellers.

Metreveli的设计方案命名为老鹰, 需用两个喷气发动机来推动四个大型水平方向旋转的螺旋推进器.

Making jet engines able to work at extreme temperatures is an extraordinary achievement.

让喷气发动机能够在极限温度下运转,是一项非凡的成就.

Application: high-temperature bumping air nozzle of jet engines.

用途: 用作喷气发动机高温燃烧气流喷嘴.

The chairman decided to change the factory over to production of jet engines.

总裁决定这家工厂转产喷气式发动机.

Jet engines put out more thrust and wings are more efficient in this climate.

喷气发动机可以产生更多的推力,机翼在这种气候条件下的效率也更高.

It would still not have the reliability of jet engines.

它仍不会具有喷气式发动机那样的可靠性.

But much about the impact of volcanic ash on jet engines remains unstudied.

但火山灰对喷气引擎的大部分影响仍有待研究.

Metreveli's design, called the Eagle, calls for two jet engines turn four large horizontal propellers.

Metreveli的设计方案命名为“老鹰”, 需用两个喷气发动机来推动四个大型水平方向旋转的螺旋推进器.

Eagles may soar, but weasels don't get sucked into jet engines.

鹰翔九天, 但是鼬鼠从不会卷入飞机引擎.

He shook the jar lightly. The pebbles rolled into the open area between the golf balls.

他轻轻地晃了晃罐子, 鹅卵石便滚入高尔夫球之间的空隙.

He shook the jar lightly. The pebbles rolled into areas between the golf balls.

他轻轻地摇动瓶子, 鹅卵石滚进了高尔夫球之间的空隙里.

Hot golf balls may have replaced hot stones as a therapy.

热的高尔夫球很可能取代热石头成为新的疗法.

Many were gang-raped, often in public.

这之中的许多受害者都遭至了常在公共场合下的群奸.

They were drilled in how to use their gas masks.

他们被反复指导如何使用防毒面具.

Then I get manic depressed, see the orthodontist, get gas masks, kick ass.

然后我得了狂躁病, 看那个牙齿矫正医生, 赶快找个氧气面具, 真强!

If smog gets too Bad people will Be compelled to wear gas masks on the streets.

如果烟雾太多,人们在街道上将不得不戴上防毒面具.

Chemical incidents, can be used wet towel, wet mask, gas masks protect the respiratory tract.

化学事故中, 可用湿手巾 、 湿口罩 、 防毒面具保护呼吸道.

Objective: to observe morphologic characteristics endolymphatic duct in guinea pigs.

目的: 观察豚鼠内淋巴管形态学特征,以认识内淋巴管的吸收功能.

July 21 : Guinea pigs are dressed up in colorful costumes for annual festival in Peru.

在秘鲁,豚鼠被打扮得五颜六色参加一年一度的节日庆典.