Rackarock
氯酸钾-硝基苯炸药
🗣️ 情景例句
Hi, Anita, long time no see.
嗨，安妮塔，好久不见了。
Labour is lihgt where love doth pay.
爱情付报酬，劳苦也轻松。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。