oxygen

名词

1. 1

   氧、氧气

   Plants release oxygen into the air during photosynthesis.

   植物在光合作用时会把氧气释放到空气中。

2. 2

   氧气医疗

   The patient was given oxygen through a mask.

   医护人员用面罩为病人供氧。

3. 3

   命脉、养分比喻

   For a small theater, ticket sales are oxygen.

   对小剧场来说，票房收入就是命脉。