音标发音英式音标 [ˈɡraʊnd ˌfrɒst]美式音标 [ˈɡraʊnd ˌfrɑːst]英式发音 美式发音 基本解释地面结霜温度。同根派生 英英字典剑桥英英字典 a temperature at or below freezing point on and near the ground during the night that can damage plants