NARRATOR: The wing feathers are asymmetrical, with veins wider on one side of the shaft than the other, which forms an airfoil contour, like an airplane wing.
旁白:翼羽不对称,羽轴一侧的叶脉比另一侧宽,形成翼型轮廓,就像飞机机翼一样。
| 单词 | form contour |
| 例句 |
原声例句
古生物经典纪录片 NARRATOR: The wing feathers are asymmetrical, with veins wider on one side of the shaft than the other, which forms an airfoil contour, like an airplane wing. 旁白:翼羽不对称,羽轴一侧的叶脉比另一侧宽,形成翼型轮廓,就像飞机机翼一样。 |
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