They described him as a loon, or a mad man.
说明:句中的or 是对loon的解释,即loon与a mad man同义,即表示“疯子”。
It will be very hard but also very brittle, that is, it will break easily.
说明:句中的 that is 表明 it will break easily 是对brittle 的解释,从而猜测出其意为“脆”。
The herdsman, who looks after sheep, earns about 500 yuan a year.
说明:定语从句 who looks after sheep 表明herdsman 的词义为“牧人”。
There are three kinds of snow. One kind is a fluffy snow that is somewhat dry andfeathery?
说明:定语从句 that is somewhat dry and feathery(有点儿干、像羽毛似的)表明 fluffy snow 的意思可能是“鹅毛大雪”。