| 单词 | 根尖 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔SHARP〕He picked up a pointed stick and began drawing in the sand. 他捡起一根尖尖的棍子，在沙地上画了起来。朗文写作活用〔meristem〕The undifferentiated plant tissue from which new cells are formed, as that at the tip of a stem or root.分生组织：能形成新细胞的未分化的植物组织，如位于茎或根尖端的美国传统〔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〔stake〕A piece of wood or metal pointed at one end for driving into the ground as a marker, fence pole, or tent peg.桩：被钉入地下的标记，桩或帐篷桩的一根尖木头或金属棒美国传统Mind where you're going with that sharp pole--you might kill someone! 你扛着那根尖的竿子走路要小心，你会弄伤别人的。剑桥国际 |
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