Hypoid
准双曲面齿轮的
🗣️ 情景例句
towards refurnishing the old library
去重新整修老图书馆
Genius is one percent inspiration and 99 percent perspiration.
天才一分来自灵感，九十九分来自勤奋。
Hi, Jim! Can you come and play football?
你好，吉姆！你能来踢足球吗？