| 单词 | 步带 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ambulacrum〕One of the five radial areas on the undersurface of the starfish and similar echinoderms, from which the tube feet are protruded and withdrawn.步带：海星和类似棘皮动物底部五个辐射状排列部位中的一个，触手从这里进行伸缩美国传统 |
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