I wish that she would not hit the keys of the typewriter so hard.我真希望她不要那么用力敲打字机键盘。Of equipment; without a motor and intended for hand operation a manual keypunch a manual typewriter.对设备而言, 指无马达和用手操作的设备(如人工键穿孔机、人工打字机).On...
有可能, 如果某种化学合成物能研究成功的话.Maybe, if studies on a chemical compound pan out.这类合成物是亚硝基羟胺衍生物.These compounds are nitrosohydroxylamine derivatives.这些塑料都是有机合成物,因此易为热所熔化.These plastics are organic compounds and so we subject to de...