polygon英音:['pɔligən]美音:['pɑlɪ,gɑn]名词 n. 多边形;多角形
circle英音:['sə:kl]美音:['sɝk!]圆;圆圈
eraser英音:[i'reisə]美音:[ɪ'resɚ]擦除器(如黑板擦、橡皮擦等)
brush英音:[brʌʃ]美音:[brʌʃ]
1.(常构成复合词)刷,刷子2. 毛笔,画笔3.刷状物4. 一刷,一拂,一抹5. 小接触,小摩擦,小争吵[(+with)]6.(画家或作家的)笔法7. 狐狸尾巴
undo英音:['ʌn'du:]美音:[ʌn'du]
1.解开,打开;使松开;脱去(衣服等)He undid the parcel. 他打开了包裹。2.取消,消除;使失败;使复旧What's done cannot be undone. 覆水难收。3.破坏,败坏(成果、名誉等);毁灭[H]He has undone the good work of his predecessor.
他已毁了他前任取得的良好成就。4.扰乱,使不安
clear英音:[kliə]美音:[klɪr]清除,弄干净
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