But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one.
经常洗手并避免与感冒患者密切接触可减少感染的可能性。
That makes it easier to maneuver when catching fish close to the ocean's surface.
这使得它们在靠近洋面的水域捕食猎物时行动更加自如。
Now that the police know the killer's identity, they are getting close to catching him.
警方既已掌握了这名杀手的身份,要将他逮捕归案也就指日可待了。
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