oxygen free

• adj. 无氧的(不含氧的)

例句

用作形容词 (adj.)

1. The exercises which occur without oxygen are called anaerobic.
   运动中不需要氧的就是无氧运动。
2. Miller thought earlier that the primitive atmosphere must be free of oxygen since oxygen may quickly destruct the randomly formed amino acids, preventing the formation of proteins.
   米勒把原始大气想象成是完全无氧的环境，因为氧气会迅速破坏随机产生的氨基酸，防止蛋白质的形成。