crop, harvest, yield

这些名词均含有“收成”之意。

crop : 普通用词,侧重指农作物一次收割或一季的收成。

Because of the spring rains, the farmers had a bounteous crop. (因为下了春雨,农夫获得了丰收。)

harvest : 主要指农作物或水果的收获量,有时也指收割的行为。

There was a good harvest that year.(那一年收成好。)

yield : 指生产物,农作物的总产量。

All these have helped raise farm yields steadily.(所有这些都有助于农业产量的稳步提高。)

cry, weep, sob

这3个动词均有“哭”之意。

cry : 普通用词。指因痛苦、悲哀或伤感等出声地哭。

The baby can cry as soon as he is born.(婴儿生下来就会哭 。)

weep : 书面用词,指小哭或无声地哭,侧重流泪。

She wept her sad fate.(她为她的悲惨命运而哭泣。)

sob : 指抽泣、呜咽。

The child started to sob when he couldn't find his mother.(孩子因找不到他妈妈哭了起来。)

更多学习内容请看:英语专四常见词辨析系列>>>