1. small black sawfly native to Europe but established in eastern United States; larvae mine the leaves of birches causing serious defoliation. 
   原产于欧洲但定居在美国东部的黑色小叶蜂；幼虫在桦树的叶子上钻洞导致严重的落叶发生。
2. Making perfect or complete 
   获得圆满成功的；达到顶点的
3. To complete an order 
   完成订货，已交货
4. Complete or almost complete absence of light; darkness. 
   漆黑完全或几乎完全没有光亮；黑暗，漆黑
5. a single complete movement. 
   一种单一完整的动作。

查看更多例句 相关情景会话

• 1. 完全脱叶
  茎秆脱叶 complete defoliation...完全脱叶 defoliation boom...除虫喷杆 untimely defoliation
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• 2. 茎秆脱叶
  习惯短语和短句: bottom defoliation...茎秆脱叶 complete defoliation...完全脱叶 defoliation boom
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