母菊酯...

South Africa的音标：...

Two historical questions — you can answer them how you like.两个历史问题——你可以随便回答。We shall first look briefly at the historical antecedents of this theory.我们首先应大致看一下该理论在历史上的前身。The reputation of the navigator is under assault f...

Americana的音标：Americana的英式发音音标为：[əˌmerɪ'kɑ:nə]Americana的美式发音音标为：[ɑˌmɛri'kɑnɑ]...

n.润滑物，加油者...