【机】 anticorrosion alloy
contend with; defy; fight; refuse; repel; resist
【医】 Adv.; contra-; ob-
corrode; erode; lose
better; by force; make an effort; powerful; strive; strong; stubborn
go; leave; of; somebody; something; this
alloy; metal
【化】 alloy
【医】 alloy
【经】 alloy