air canal
noun
A passage through which air can penetrate; (Botany ) a continuous airspace in the stem, petiole, root, etc., of an aquatic or semiaquatic plant.
Origin
Mid 18th century.
| 单词 | air canal |
| 释义 | air canalnoun A passage through which air can penetrate; (Botany ) a continuous airspace in the stem, petiole, root, etc., of an aquatic or semiaquatic plant. Origin |
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