Unavailabilities
(unavailability 的复数) [计] 无效性, 不可用性
🗣️ 情景例句
Seven letters ... two words ...
七个字母……两个字……
Dreams go by contraries.
梦想总与现实相反。
If they are not brought to the surface soon they may lose their lives.
如果不把他们尽快救到地面上来，他们就有可能丧生。