同根派生 east africa相关词英汉例句The news was beamed to East Africa by satellite.這條新聞由衛星曏東非傳送。Swahili is the principal lingua franca in East Africa.東非的主要交際語是斯瓦希裡語。Britain was mandated to govern the former colony of German East Africa.英國授權代琯德國在東非的前殖民地。east africa更多例句