【机】 thinning machine
bore; dig into; drill; get into; jewel
【医】 bur; burr; buur drill; dental drill; drill; drilling
【经】 bit
blade; knife; knife-edge; sword
【化】 ket
abrade; burnish; grind; mill; milling; strop; whet
【医】 grinding; mill
flimsy; slight; tenuity; thin
【医】 lepto-; tenuity; thinness
chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【医】 machine
