基本解釋adj.下凹的同根派生 concave-down相關(guān)詞英漢例句Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚飯沖下去。The machine must break down at this busy hour. 正忙的時候,機器偏偏又壞了。The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。His figure looks very funny in the concave mirror. 他的樣子在凹鏡里顯得非??尚Α?/li>An indented or concave surface or area. 凹陷,洼地凹的表面或地區(qū)concave-down更多例句