ad in

 
       
  • 发球人得的第一分

ad in的用法和样例:

例句

  1. A material added in small amounts during a chemical or metallurgical process to absorb impurities.
    吸气剂以少量加入化学或冶金过程中用来吸收杂质的物质
  2. A substance, such as boron, added in small amounts to a pure semiconductor material to alter its conductive properties for use in transistors and diodes.
    掺杂质,掺质剂加入纯半导体材料中的少量硼等物质,用于晶体管和二极管中以改变半导体的导电率

ad in的海词问答与网友补充:

提问补充

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