Fuel propane is scented with mercaptan odourants for leak detection.燃料丙烷通常添加硫醇这种刺激性的物质用于泄漏检测.Workplace air - Determination of methyl mercaptan - Gas chromatography method.车间空气中甲硫醇的气相色谱测定方法.The heptanal butyl mercaptan wa...
to go bungee jumping去蹦极He gets vicarious thrills from watching people bungee jumping.看到别人蹦极他感到了同样的刺激.My favorite hobby is bungee jumping.我最大的嗜好就是蹦极跳....
炽热的火球冲上天空。Intense balls of flame rose up into the sky.点点昏黄的火球,就是那无数的电灯.Hundreds of light bulbs gleamed dim and yellow.从火球中喷出的各种颜色的火花照亮了各个角落.And from this fireball, multi - colored sparkles flashed everywhere....