| 单词 | spiracle |
| 释义 | spiracle ['spaɪ.rə.kəl] noun countable specialized ■in an insect or spider , one of the small holes that allow air in and out through the surface of the body 通气孔（昆虫或蜘蛛的小孔之一，让空气通过身体表面进出） ■in some fish such as sharks , a small hole behind each eye used for breathing, by allowing water through to the gills 一些鱼类如鲨鱼，在每只眼睛后有一个小孔用作呼吸，让水流到腮部 |
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