有关海上打捞爆炸物的说明 binds when picked up: 拾取绑定cautiously picked up the nails: 他小心地把钉子拾了起来hecotton was picked and weighed up: 棉花已摘下来并已称重number picked up: 补号relay picked up: 吸起的继电器下载手机词典可随时随地查词查翻译