breathing valve
常見(jiàn)例句
- One hypothesis suggests that by closing tiny breathing-valves in their exoskeletons called spiracles, insects prevent evaporation.
有一種假說(shuō)認(rèn)為昆蟲(chóng)可以通過(guò)關(guān)閉外骨骼上微小的呼吸閥門(mén)（氣孔）來(lái)防止蒸發(fā)。 返回 breathing valve