bevel gear

either of a pair of gears with sloping toothed edges 伞齿轮; 锥齿轮. =>illus at gear 见gear.

betel, betel-nut, betide, betoken, betray, betrayal, betrayer, betroth, betrothal, betrothed, better, better off, better-off, betterment, betting-shop, bettor, between, between (also in between), betwixt, bevel, beverage, bevy, bewail, beware, bewilder, bewildering, bewilderment, bewitch, bewitching, bewitchingly, beyond, beyond control, beyond dispute, beyond number, beyond question, beyond the limits, bezique, BFPO, bi(o)-, bi-,