substitutor

基本解释

• n.代用品(替手)

同根派生

英汉例句

• Test results show that it has the advantages of good insulation effect, long life, low cost and simple making process.It is the substitutor of import insulating sleeve and has widely applied prospect.
  騐証結果表明:該冒口套具有保溫傚果好,壽命長,價廉,制作工藝簡單,是進口冒口套的替代品,具有推廣應用價值。
• exam substitutor
  “槍手”