戴上氧气面罩呼吸。
A: Breathe into the oxygen mask.
B: Exhale into the oxygen mask.
C: Inhale into the oxygen mask.
A: Breathe into the oxygen mask.
B: Exhale into the oxygen mask.
C: Inhale into the oxygen mask.
举一反三
- oxygen mask的中文意思是“氧气面罩”。（ ）
- 突然拉下氧气面罩，启动氧气流动 A: Pull the oxygen mask with a sudden movement to start the flow of oxygen. B: Jerk the oxygen mask to start the flow of oxygen.
- 往下猛拉氧气面罩让他开始充气。 A: Pull the oxygen mask with a continuous movement to start the flow of oxygen. B: Pull the oxygen mask with a gentle movement to start the flow of oxygen. C: Pull the oxygen mask with a sudden movement to start the flow of oxygen.
- The oxygen mask will drop down ___________ in an emergency.
- oxygen bottle：氧气面罩