extra dry稍带,甜味的extraadj.额外的n.额外之物；临时演员adv.特别地extra- thick soft coal seam特厚极软煤层Extra charge on lengthy cargo超长货物附加费extra-budgetary expenditure预算外的开支Extra Soft Silicone Type Foam美国求购软的硅树脂类型泡沫extra-galactic radio source银河外射频源extra-curricular activities学校校外活动Extra-adrenal paraganglioma肾上腺外节旁体瘤extracapsular lens extraction晶状体囊外摘出术Extracellular enzyme activity胞外酶活性extra high pressure discharge超高压放电