| 单词 | 尖部 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔apex〕A chest x-ray showed an abnormality in the left lung apex.胸部透视显示左肺尖部异常。剑桥高阶〔root cap〕A thimble-shaped mass of cells that covers and protects the root tip.根冠：覆盖并保护根尖部分的类似顶针的细胞群美国传统Crystalline deposits were found on the tip of the needle.在针尖部发现了晶状沉淀物。剑桥国际 |
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