하지만 예상외로, 산소가, CO2가 증가하는 것보다 더 빠르게 감소해버렸습니다. 왜냐하면 그것들이 테스트 모듈 안으로 차례로 들어왔기 때문입니다.
But our oxygen was going down faster than our CO2 was going up, which was quite unexpected, because we had seen them going in tandem in the test module.