1680s, "sharp or thin end of a hammer head, opposite the face," probably from a Scandinavian source (compare Norwegian dialectal penn "peen," Old Swedish pæna "beat iron thin with a hammer"). Earlier as a verb, "to beat thin with a hammer" (1510s).
双语例句
1. The new development of modem tool materials and prospect in the peen forecasted.
对现代刀具材料的新进展及来来的状况作了讨论与预测.
来自互联网
2. To peen sandblasting, Shot Blast Cleaning, green dust three series over 100 varieties - oriented products.
