The switch on this kind of fire extinguisher opens up automatically.
这种灭火器的开关能自动开启。
He built up to a crescendo of reasons why his fire extinguisher was a "must-have" item, and seemed determined not to let me voice any objections or questions.
他罗列出一大堆必须向他购买灭火器的理由，似乎决心不让我发出一丝一毫拒绝或者质疑的声音。
He threw burning 100-pound ammunition boxes out of the plane (he weighed around 130 pounds), and when he had used up the last fire extinguisher he beat out the last flames with his hands.
他把一百磅重正在燃烧的火药盒一一扔到飞机外(他自己体重约一百三十磅)，用完最后一个灭火器之后，就用手把余火扑灭。
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