The idea is that every odor molecule that enters our nose has a specific shape that fits a specific receptor-like a key fits a lock-allowing us to detect, say, the acrid aroma of burnt coffee.
这个想法是，每一个进入我们的鼻子的气味分子都有一个特定的形状，相互吻合的特定受体——就像锁和钥匙一样——使我们能够感知，例如感知焦咖啡的刺鼻气味。
Postflight found nose gear mirror too low, check found due charging valve csn't lock, leak air.
航后发现前起落架镜面太低，结果发现是充气活门锁不死漏气所致。
Only lock washer or embroidered eyes and nose are used for safety.
只有垫圈或绣眼睛和鼻子被用于安全。
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