同根派生 east africa相关词英汉例句The news was beamed to East Africa by satellite.这条新闻由卫星向东非传送。Swahili is the principal lingua franca in East Africa.东非的主要交际语是斯瓦希里语。Britain was mandated to govern the former colony of German East Africa.英国授权代管德国在东非的前殖民地。east africa更多例句