Ultralow
[计][修]超低
🗣️ 情景例句
Thank you, Dr. Stewart.
谢谢你，Stewart大夫。
How did you get there?
你怎么去的？
Squeezing through a cleft in the rocks, the pot-holers arrived at an enormous cavern, the size of a huge concert hall.
洞穴探险者从岩石缝里挤身过去，来到一个巨大的洞里，其大小相当于一个音乐厅。