Never apply to lips or eyes.

注意不要把洗甲水弄到嘴里和眼睛里。

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Any form of touch of the lips or teeth with tongue.

舌头以不同形式碰触嘴唇或牙齿。

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If the lips or mouth show signs of burning, cool them by giving the casualty water to drink.

如果嘴唇和嘴巴有发热的迹象，通过给病人喝水让其冷却下来。

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Press your lips together with the corners straight or down.

把嘴唇并在一起，嘴角成一条直线，向下。

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Upon encountering sweetness, however, the reaction is an expression resembling a smile followed by licking the lips or even a burst of eager sucking movements.

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Some 26% were admitted for anaphylaxis - a sudden, severe and potentially life-threatening reaction, which can cause dangerous swelling of the lips or face and lead to breathing problems.

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"By that I mean try to imagine creating a cavity inside your mouth without any air bubbles and by letting in no air through your lips or throat -- it's basically impossible at sea level because the air pressure outside your mouth pushes the air pocket closed, " he said.

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