碫

duàn 〈书〉磨刀石。

• 旋回
• 旋塞
• 旋子
• 旋工
• 旋床
• 旋弄
• 旋律
• 旋梯
• 旋毛
• 旋毛虫
• 旋涡
• 旋涡泵
• 旋绕
• 旋翼
• 旋翼机
• 旋舞
• 旋踵
• 旋转
• 旋转乾坤
• 旋转起重机
• 旋转轴
• 旋转餐厅
• 旋进
• 旋里
• 旋钮
• aseptic
• aseptically
• as ever
• asexual
• asexualities
• asexuality
• asexually
• as far as I am aware
• as far as I can judge
• as far as I can see
• as far as I can tell
• as far as I know
• as far as I'm concerned
• as far as is concerned
• as far as it goes
• as far as sb is concerned
• as far as somebody is concerned
• as far as something is concerned
• as far as sth is concerned
• as far I can remember
• as fast as her legs could carry her
• as fast as his/her legs could carry him/her
• as fast as his legs could carry him
• as fast as legs could carry
• as few as