key item的用法和樣例：
例句
- Another key item on the touch screen is your e-mail system.
另一個(gè)關(guān)鍵項目的觸摸屏是您的電子郵件系統。 - It is generally recognized that the seepage monitoring is one of key items of dam safety monitoring.
滲流監測是大壩安全監測的一個(gè)關(guān)鍵項目，對保障大壩安全具有重要意義。 - We must concentrate on key projects in agricultural science.
切實(shí)組織農業(yè)科學(xué)重點(diǎn)項目的攻關(guān)。 - Efforts should be made to do a good job in key construction projects.
搞好重點(diǎn)項目建設。
