| 单词 | 直角弯 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔cramp iron〕A bar, usually of iron, with right-angle bends at both ends, used for permanently holding together stones, timber, and other materials used in building.铁钩：一种通常用铁制成的杆，两端有直角弯钩，用以永久性夹紧石块、木材或其它建筑材料美国传统〔ell〕A right-angled bend in a pipe or conduit; an elbow.直角弯，肘：导管或管道中的直角弯；肘美国传统〔try square〕A carpenter's tool consisting of a ruled metal straightedge set at right angles to a straight piece, used for measuring and marking square work.方角尺：木匠工具，由呈直角弯曲的两根金属标尺构成，用于测量和标识方形制作品美国传统 |
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