Calculating electronic punch
[計] 計算式電子穿孔機
?? 詞語組成解析
calculating
['k?lkjulet??]
adj. 計算（用）的;慎重的;<貶>精于算計的;
v. 計算(calculate的現在分詞);
punch
[p?n(t)?]
vt. 用拳猛擊;打孔;（用壓穿器）穿孔，沖孔;用肘推;
n. 沖壓機，沖床;打洞器;鉆孔機;剪票鋏;
vi. 用拳猛擊;
punch=punct的變體,“點，變尖”→使變尖，朝著一點擊打 → vt.用拳猛擊 n.拳打
??? 情景例句
ready for the graduation ceremony,
為畢業典禮做準備，
Thank you for inviting us; we had a wonderful time.
謝謝您的邀請，使我們過得很快樂。
It's a bit small, isn't it?
缸不小嗎？