重点词汇
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滑行
slide; glide; skid; coast; skate; taxiing; slithery; sliding
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下坡
downhill; downwards; descend a slope; downgrade; descent
coast down a slope
滑行
slide; glide; skid; coast; skate; taxiing; slithery; sliding
下坡
downhill; downwards; descend a slope; downgrade; descent