退火坑 的英文怎麼說
中文拼音 [tuìhuǒkēng]
退火坑
英文
annealing pit-
With the aid of his pickaxe, dant s, after the manner of a labor - saving pioneer, dug a mine between the upper rock and the one that supported it, filled it with powder, then made a match by rolling his handkerchief in saltpetre. he lighted it and retired
唐太斯拿起鶴嘴鋤，在大圓石和那塊頂住它的大石頭之間挖了一個如同工兵開路時想節省人力的坑沿，裏面填滿火藥，然後用他的手帕卷了一點硝石作導火線，點燃導火線，趕快退開。
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