Fog and low cloud cover are expected this afternoon.
预计今天下午有雾和低空云层。
Stay low and cover your head and neck with your hands and arms.
保持低位，并用手或胳膊保护头部和颈部。
Buy low, sell high. Short high, cover low.
低买高买，在高点做空，在低点回补。
Better advice would be to squat low, tuck your head and cover your ears.
比较好的做法是让自己蹲下，缩着头，并捂住耳朵。
Better advice would be to squat low, tuck your head and cover your ears.
比较好的做法是让自己蹲下，缩着头，并捂住耳朵。
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