Many have assumed that humans ceased to evolve in the distant past, perhaps when people first learned to protect themselves against cold, famine and other harsh agents of natural selection.
很多人认为，在遥远的过去，人类通过了饥饿、寒冷等自然选择的严峻考验后，便不再进化了。
So, before venturing outdoors in Yakutsk for the first time, I have decided to don a suitcase's worth of clothes to protect me against the cold.
所以，在雅库茨克初次出门探险之前，我决定穿上整箱的衣服以御寒。
Either of a pair of ear coverings often attached to an adjustable headband and worn to protect the ears especially against the cold.
耳套一对套住耳朵的物体，通常附在可调节的头带上用来保护耳朵，尤指用来御寒的。
Cold-blooded animals go into a deep sleep in the ground to protect themselves against cold and hunger.
冷血动物在地下冬眠以保护它们自己免于寒冷和饥饿。
In the past, researchers have measured specific compounds made by the body that may protect against a cold or may be triggered by a cold virus.
在过去，研究者们已经测量过一些机体在可能对抗感冒过程中或由感冒病毒诱发产生的特殊的复合物。
Thee necessary steps must also be taken to avoid or protect against the risk of hot or very cold material being ejected.
必须采取措施消除由于接触或接近高温或极低温机械零部件或材料所引起的伤害危险。
This warm jacket will help to protect you against the cold.
这件暖和的上衣能帮你御寒。
Protect your dog against frostbite by limiting exposure to cold temperatures, particularly for short-coated, thin-skinned breeds, and immediately bring your dog indoors if he or she is shivering.
保护你的狗对冻伤限制暴露在寒冷的温度，尤其在短期涂层，薄皮品种，并立即把你的狗在室内，如果他或她在发抖。
He was dressed from head to foot in heavy animal skins to protect against the cold.
为了御寒，他从头到脚都穿着厚厚的动物毛皮。
Earth and plants protect against summer heat and winter cold.
地球和植物保护夏季高温和冬季寒冷。
The traditional native Australian Lemon Tea Tree Oil in our cream will help to protect against the drying and damaging effects on your skin from exposure to the cold, sun and pollution.
其含澳洲天然柠檬茶树油，具有锁水保湿功效，有效保护皮肤因干燥天气，日晒和污染带来的皮肤干燥伤害问题。
The traditional native Australian Lemon Tea Tree Oil in our cream will help to protect against the drying and damaging effects on your skin from exposure to the cold, sun and pollution.
其含澳洲天然柠檬茶树油，具有锁水保湿功效，有效保护皮肤因干燥天气，日晒和污染带来的皮肤干燥伤害问题。
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