裸露的金属被喷了几层底漆。
虽然在咳嗽和打喷涕时通过大的飞沫传播被认为是主要的流感传播途径，但是通过受污染的手传播可能是一个促进因素。
Although transmission by large droplets when people cough or sneeze is considered the major route of influenza spread, transmission via contaminated hands may be a contributing factor.
战前意式咖啡总被机器弄坏因为机器总把蒸汽喷到咖啡粉上，在此过程中咖啡粉会被烧坏，就会产出又黑又苦的液体。
Before the war espressos had often been ruined by machines that squirted steam through the ground coffee, burning it on the way and producing a dark, bitter liquid.
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