pin: PIN ＝personal identification number 个人标识号〔自动提款卡等的个人密码〕。n.1.别针，扣针，饰针；有别针的徽章。2.钉；楔；栓，销；(弦乐器上调弦的)轸子；发夹；测针；【电学】插头；管脚；【航海】桨架脚。3.〔pl.〕 〔口语〕腿。4.(装四加仑半的)小桶。5.没价值的东西，琐碎东西。6.靶心。短语和例子a safety pin 锁针，
application: n.1.适用，应用；运用。2.申请，请求；申请表格。3.勤勉，用功。4.敷用；敷用药。短语和例子a written application 申请书。 an application for admission (to a school) 入学申请。 fill out an application 填写申请表。 He shows very little application
