详细释义
Noun:
-
the hood or cap covering the calyx of certain plants: e.g., the California poppy
双语例句
- 1. While within the high concentration selenium, the reducing strength and the rate of calyptra of roots decreases, so does the bio-production of roots.
- 而高质量浓度的硒处理根系的还原活力降低、根冠比下降、根系的生物量减少。
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- 2. While within the high concentration selenium, the reducing strength and the rate of calyptra of roots decreases, so does the bio-production of roots.
- 而高质量浓度的硒处理根系的还原活力降低、根冠比下降、根系的生物量减少。
youdao
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