n. 圖釘，土地租借證書 ◇ a different tack試行不通的政策 be on the wrong tack實行錯誤方針 tacking about作z形航行 tack on添加，行動方針 tack sth.on to sth.附加某事物 try another tack改變方針 ‖ tack board布告板 tack and tack迎風(fēng)連續(xù)調(diào)整航向 tack on the wind迎風(fēng)航行 tack under lee避風(fēng)航