Hyperboloidal
a. 双曲面的,北极的
🗣️ 情景例句
Ten o'clock tomorrow morning.
明早十点钟。
A man without a smiling face must not open a shop.
人无笑脸，不要开店。
Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey -- still in perfect condition.
想一想他们所感受到的惊奇和兴奋 —— 当他们拆开包装箱时，他们发现第4台发动机就像蜂蜜一样甜 —— 发动机完好无损。