extra tea顶上嫩茶extraadj.额外的n.额外之物；临时演员adv.特别地extra-sensory perceptionn.超能力；指超感知能力常用缩写'ESP'extra-anatomic procedure解剖外的术式extracurricular experiment课外实验教学extra-flexible wire rope极软钢丝Extra- wide view imaging超宽视野成像Extrameduuary Infiltraiton髓外浸润extraplellral pneumothorax[医] 闭合性气胸extra-territorial effect域外法律效力extra progressive tax rate超额累进税率extra front-end computer外加前端机