Conv
abbr. 卷積和多項式相乘（convolution）
??? 情景例句
Stocks, shares and bonds are good alternatives for personal investment.
儲蓄、股票和債券是個人投資很好的選擇。
Every dog is valiant at his own door.
站在家門口，狗也雄糾糾。
I meant to tell you yesterday, but you were not in your office.
我原想昨天告訴你的，但你沒在辦公室。