【句子】

Of all the economically important plants, palms have been the least studied.
在所有的经济作物中,棕榈树得到的研究最少。

【解析】

1.economically
adv.在经济上;节约地

①Economically, the country is in a very healthy state.
这个国家经济状况良好。

②We live very economically.
我们生活得很节俭。

2.important

1)adj.重要的;重大的;(指人)有很大影响或权威的

History chronicles important events of the past.
历史记载历代重要的事件。

2)significant,important,momentous辨析

这些形容词均含“重要的,重大的”之意。

significant:指某事物由于特别优秀或特别有意义而显得重要与突出。

important:最普通用词,指有权威、有影响的人或值得注意的、有价值的事物。

momentous:指极其重要的。

3.palm

1)n.手掌;棕榈

He rubbed his palm across his forehead.
他用手掌揉了揉前额。

2)vt.把 ... 藏于掌中;诓骗某人

They can't palm off that tale on us.
他们那套话骗不了我们。

4.know better than,the last,the least用法比较

1)know better than+不定式。这种结构意为“不至于”

She knows better than to go alone on such a night.
在这样的夜晚,她不至于连不宜单独外出也不知道。

2)more than…can。这种句型形式上是肯定,实际上有否定含义

The beauty of the place is more than I can describe.
那地方美得无法形容。

3)用the last,the least等最高级形式表示强烈的否定意义

He would be the last man to say such things.
他决不会说这样的话。

4)least of all 尤其不

I don't like rain or storms, and least of all thunder.
我不喜欢下雨和暴风雨,尤其不喜欢打雷。 

【练习】

— How about the concert last night?
— Well, at least it’s ____ the one I saw last time with Joan.
A.no worse than    B.no better than
C.not as good as   D.as bad as

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