Regaining new stable equilibrium he rose uninjured though concussed by the impact , raised the latch of the area door by the exertion of force at its freely moving flange and by leverage of the first kind applied at its fulcrum gained retarded access to the kitchen through the subadjacent scullery , ignited a lucifer match by friction , set free inflammable coal gas by turning on the ventcock , lit a high flame which , by regulating , he reduced to quiescent candescence and lit finally a portable candle 他重新获得了稳定均衡，尽管因猛烈撞击而受震荡，却没有负外伤就站了起来。他使劲扳院门搭扣的那个活动金属片，凭着加在这一支轴上的初级杠杆的作用，把搭扣摘开，穿过紧挨着厨房地下的碗碟洗涤槽，绕道走进厨房。他擦着了一根安全火柴，转动煤气开关，放出可燃性的煤气。
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