例:I sometimes have to use a lip balm to protect my lips from the cold as they can get chapped. 有时候我不得不涂润唇膏保护我的双唇不受寒冷的影响,防止皲裂。 Carry a moisture-rich lip balm with you at all times and apply it when ever you feel a dry spell brewing. 随身带一支充分补水的润唇膏,当你觉得干燥将要降临时,及时补充吧。