Punch through
[计] 穿通, 穿通现象
🧩 词语组成解析
punch
[pʌn(t)ʃ]
vt. 用拳猛击;打孔;（用压穿器）穿孔，冲孔;用肘推;
n. 冲压机，冲床;打洞器;钻孔机;剪票铗;
vi. 用拳猛击;
punch=punct的变体,“点，变尖”→使变尖，朝着一点击打 → vt.用拳猛击 n.拳打
through
[θru]
prep. 通过，穿过;经由;透过;凭借;
adv. 从头到尾;彻底;自始至终;
adj. （电话）接通;通话完毕;有洞的;直达的;
🗣️ 情景例句
Who isn't?
有谁不紧呢？
Here are the two originals of the contract we prepared.
这是我们准备好的两份合同正本。
On the third lap, the Class 3 and Class 1 runners both ran very fast.
在跑第三圈时，3班和1班的运动员都跑得非常快。