arch dam（拱坝）是什么意思？音标发音+图解场景

拱坝 /ˌantɪlˈɒk ˈbɹeɪkɪŋ ˈsɪstəm ˌeɪbˌiːˈɛs/ n

English: arch dam · 拱坝

释义：Its curvature allows most of the water’s thrust to be transmitted to the usually narrow valley slopes supporting it.