【电】 crash-locator beacon
the root of a plant; this
【机】 aetioporphyrin
chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【医】 machine
defeat; fail; lose; miss; miscarry; loss; failure; miscarriage
【经】 frustration; rocks
guideline; index; norm; target
【经】 indicator; target