音标发音英式音标 [ˌwel ˈtraɪd]美式音标 [ˌwel ˈtraɪd]英式发音 美式发音 基本解释经反复验证行之有效的，屡试不爽的。同根派生 英汉例句If that is the case, we may as well try.如果情况是这样，我们不妨试一试。英英字典剑桥英英字典 used many times before and known to be effective