胎: 名词1.(幼体) foetus; embryo 短语和例子怀胎 become or be pregnant2.(怀孕或生育的次数) birth 短语和例子头胎 first baby; 一胎三子 triplet birth3.(衣服、被褥等的面子和里子之间的衬物) padding; stuffing; wadding 短语和例子棉花胎 the cotton padding o
焊接: weld; welding; soldering; seal; sealing; sealing-in; shutting together 短语和例子电弧焊接 (electric) arc welding; 焊接材料 welding material; 焊接操作 welding operation; 焊接车间 welding shop; 焊接点 point of weld
