Ballscrew
滚珠丝杠
🗣️ 情景例句
According to the newspaper, Sally has quit her job.
报上说莎里辞职不干了。
He is proud of his achievement.
他为自己取得的成就感到骄傲。
No man ever looks at the world with pristine eyes.
没有一个人是用纯洁而无偏见的眼光看待世界。