| 单词 | 节孔 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔knothole〕A hole in a piece of lumber where a knot has dropped out or been removed.（木板等的）节孔：木板上节瘤掉落或被取掉而成的空洞美国传统The camera adjusts the lens aperture and shutter speed automatically.这架相机能自动调节孔径和快门速度。剑桥国际 |
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