call of的用法和樣例：
例句
- Mary is always within call of her mother.
瑪麗對母親總是隨叫隨到。 - The call of this bird is very loud.
這只鳥(niǎo)的叫聲很響亮。 - I once read a book call "the call of the wild", but that's beside the question.
我曾讀過(guò)一本書(shū)，叫《野性的呼喚》, 不過(guò)這與本題無(wú)關(guān)。 - The teacher helped students after school every day, even though it was above and beyond the call of duty.
每天放學(xué)后這位老師都幫助學(xué)生復習功課，盡管這不屬于他的職責范圍。
