重點講解：
1. spend time (in) dong sth.
花時間做某事；
eg. I spend most of my working day sitting at a desk.
我一天之中大部分工作時間都坐在辦公桌旁。
eg. She can spend a whole day gossiping with her neighbours.
她能一整天都跟鄰居們說長道短。
2. a herd of
獸群；畜群；
eg. We saw a herd of elephants yesterday.
昨天我們見到了一群大象。
eg. The milkman selected the spotted cows, from among a herd of two hundred.
牛奶商從一群200頭牛中選出有斑點的牛。
3. be hungry for
渴望的；熱望的；
eg. We're hungry for news about our brother.
我們渴望得到弟弟的消息。
eg. The orphan was hungry for affection.
這孤兒渴望得到愛。