苹果

píng guǒ apple; CL:個|个[ge4],顆|颗[ke1]

签名

qiān míng to sign (one's name with a pen etc); to autograph; signature

接口

jiē kǒu interface; port; connector

用

yòng to use; to employ; to have to; to eat or drink; expense or outlay; usefulness; hence; therefore

TG:orziosblb