to cast的用法和样例：
例句
- She didn't know what her son might turn out to be, but it was always well to cast an anchor to windward.
虽说她不知道儿子长大以后究竟会怎样，但是未雨绸缪总是没有错。 - Derek tends to cast his ideas in long sentences.
德里克往往用长句表达他的思想。 - It is uncommon for healthy animals to cast their young.
健康的小动物小产是不寻常的事。 - Had to cast about for an hour, looking for a good campsite.
为了找一个好的露营地，不得不寻觅一个小时
