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A cold front is the forward edge of a mass of moving cold air.
冷锋是一团移动着的冷气流的前锋面。
youdao
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Ears - Folded level with top of head, with forward edge close to cheek.
耳朵的折痕位于头顶的水平面，前侧边缘贴近面颊。
youdao
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Ears - Folded level with top of head, with forward edge close to cheek.
耳朵的折痕位于头顶的水平面，前侧边缘贴近面颊。
youdao