短语词组短語knock -in option 選擇權Double Knock -in 雙邊敲入期權knock down in carload 貨物折散爲一車皮裝運的最低重量gene knock -in 基因敲入Knock -in Warrant 到期啓動認股証immunogene knock -in 免疫基因敲入 返回 knock in