stem

n.茎，干；柄，把，颈 vi.起源于

steepen, steepish, steeple, steeplechase, steeplechaser, steeplejack, steeply, steepness, steer, steerage, steerage-way, steerer, steering, steering committee, steering lock, steering-column, steering-wheel, steersman, stein, stellar, Sten, stench, stencil, steno, stenographer, stenography, stentorian, step, step by step, step down, step forward, step in, step out, step up, step-, step-father, step-ladder, step-parent, stepbrother, `stepsister, stepchild,