Heliox
n. 氦氧混合气(含98%氦和2%氧,供潜水员在深水中维持呼吸用)
🗣️ 情景例句
He felt that his life was no longer worth living.
他觉得他的生命已经没有再活下去的价值了。
Do I need to be hospitalized?
我需要住院吗？
Each of these represented a goddess and had, at one time, been painted.
每一尊雕像代表一位女神，而且一度上过色。