31.   White also foresees the material being used for protective coatings, even paint that fixes its own cracks.

32.   He took a strain of HIV, stripped it of out its protective coating and then inactivated the whole virus.

33.   The Sandia product is designed to break down the protective coating and attack the DNA.

a. + coating >>共 186
protective 7.82%
thin 5.45%
light 4.74%
special 4.03%
surface 3.32%
plastic 3.32%
nonstick 2.84%
chocolate 2.61%
thick 2.13%
industrial 1.90%
protective + n. >>共 532
clothing 6.60%
gear 6.02%
suit 3.95%
order 3.74%
measure 3.45%
effect 3.32%
equipment 2.12%
cover 1.95%
barrier 1.91%
layer 1.54%
coating 1.37%
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