This consists of an oily core containing magnetic particles mixed with carbon black, which is suspended within a watery layer that contains white polystyrene particles.
这由一个魔法粒子油性核心所构成，它混合着炭黑，悬浮在含有白色聚苯乙烯粒子的水层中。
Polar bears have a thick oily fur coat and a layer of blubber under their skin.
北极熊也赋予他们的皮肤厚厚的皮大衣和油腻的脂肪层。
The outer lipid layer is an oily film that seals the tear film on the eye and helps to prevent evaporation.
外面的脂质层是一层油性膜，它将泪液膜封在眼球上，帮助阻止蒸发。
The outer lipid layer is an oily film that seals the tear film on the eye and helps to prevent evaporation.
外面的脂质层是一层油性膜，它将泪液膜封在眼球上，帮助阻止蒸发。
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