金属丝生长第一周时曾经出现过脱落迹象，甚至完全消失。
During the first week wires kept falling off from her body and were gone.
拆解报废的发动机就会发现推杆无一例外地存在严重的麻坑及从凸轮轴凸轮脱落的金属磨屑。
On stripping down a damaged motor, the tappets are invariably found to be heavily pitted and bits of metal broken off the camshaft lobes.
铋是一种重金属元素，这让很多人都不太愿意接受，因为它会进入毛孔(加强抛光技术)要不然它很容易从脸上脱落。
It's a very heavy element, which makes it difficult for many people to wear. It has to be forced into the pores (hence the buffing technique) otherwise it is capable of sliding off the wearer's face.
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