He has to use an oxygen mask to help him breathe.

他必须戴氧气罩来帮助呼吸。

Oxygen masks dropped. The plane dropped for a few seconds before it stabilized again.

然后，氧气面罩脱落，飞机下降了数秒后才稳定下来。

If you are wearing a facemask, please remove it before putting on the oxygen mask.

如果您正戴着口罩，请在戴上氧气面罩之前将其取下。

They are even shown a safety demonstration and given a life vest and oxygen mask.

他们甚至还进行了一场安全演示，并分到了救生衣和氧气面罩。

Then you've got inexpensive hand-pumped oxygen masks, which could prevent a third of infant deaths.

然后，便宜的手泵氧气面罩可以防止三分之一的婴儿死亡。

One of the men placed an oxygen mask over the old cob's head and gave him some oxygen.

一个男人把氧气罩放到老雄天鹅的头上，给他吸氧。

He sent out a Facebook live video of himself and others on the plane putting on their oxygen masks.

他通过Facebook实况视频拍下了自己与其他乘客戴着氧气面罩的画面。

Hypoxia, or lack of oxygen, can affect anyone at extreme heights. That is why passenger planes are equipped with oxygen masks.

任何人在非常高的地方都会出现缺氧，因此客机都配备了氧气面罩。

I'll wear a motor-cycle helmet, with an oxygen mask inside.

我会戴上摩托车头盔，里面有氧气面罩。

Passengers used oxygen masks and prepared for the force of landing.

乘客戴上氧气面罩，准备着陆。

Have you been putting his oxygen mask on?

你有给他戴氧气面罩吗？

In an emergency situation you have oxygen masks, usually they are above where you are sitting.

在紧急情况下， 你有氧气面罩，通常它们在你坐的地方上方。

In case of an emergency, put your oxygen mask on first before helping those around you.

在紧急情况下，先戴上氧气面罩， 然后再帮助周围的人。

An " oxygen mask" – a mask, you probably know, is what goes over your face.

“氧气面罩”——您可能知道，面罩就是覆盖在您脸上的东西。

If the plane should lose pressure, an oxygen mask will drop from the compartment above your seat.

如果飞机失压，氧气面罩会从您座位上方的隔间掉落。

The divers first used hot water to warm Harrison up, then fitted him with an oxygen mask.

潜水员们先用热水让哈里森暖和起来，然后给他戴上了氧气面罩。

The downstairs space has a maximum limit of ten  passengers due to having only ten oxygen masks.

由于只有十个氧气面罩，楼下空间最多可容纳十名乘客。

With shaking hands she hooked him up to a drip, and placed an oxygen mask over his face.

她用颤抖的双手给他挂上点滴，然后在他脸上戴上氧气面罩。

As any flight attendant will tell you, you have to put your own oxygen mask on first.

正如任何空乘人员都会告诉您的那样，您必须先戴上自己的氧气面罩。

The captains says the cabin crew will give instructions on how to use the floatation devices and the oxygen masks.

机长们说，机组人员将指导如何使用漂浮装置和氧气面罩。