氮是一种无色无臭的气体.Nitrogen is a gas without colour or smell.纯空气是无色无臭的.Pure air is colourless and odourless.陶艺课采用的陶土是无毒无臭的天然矿物,柔软湿润,可塑性强.The materials used are natural clays any unpleasant smells....
飞机需要加燃油, 请叫一辆加油车.The aircraft needs refueling. Please call a refueling tender.加油车能被用于为车辆加油.Tanker trucks can be used for refueling vehicles.有运油车、加油车等车型.Have fuelling vehellocle and fuel tanker model....