verb 下载 🔗分享 稀释，使稀薄，使稀疏 To make rare, thin, porous, or less dense Examples : "As the hikers climbed higher up the mountain, the air began to rarefy, making it difficult to breathe. " 随着登山者们越爬越高，空气开始变得稀薄，呼吸也变得困难起来。 physics chemistry material environment science 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 稀薄，使稀疏。 To expand or enlarge without adding any new portion of matter to. Examples : "As the air rises, it begins to rarefy, making it harder to breathe at higher altitudes. " 随着空气上升，它开始变得稀薄，导致在高海拔地区呼吸更加困难。 physics science material substance 与AI对话词汇游戏阅读练习
