041. agent 代理人，代理商，经纪人；动因，原因，作用物
The first disaster was the advent of the Romans, whose entire role in the history of mathematics was that of an agent of destruction.
第一次灾殃是罗马人的来临，它们在数学史上的全部作用是一种破坏因素。
Crown rust is the common name both of a serious leaf-rust disease of oats and of the causal agent.
冠锈病是燕麦的一种严重的叶锈病和病原菌。
This Windows account is always used for agent connections to the Subscriber.
代理始终可以使用此Windows帐户连接到订阅服务器。
us sales agent: kate, it has been a great presentation and a great evening.
美国销售代理：凯特，这场演示和会议都很棒。
042. alcohol 含酒精的饮料，酒精
The researchers related these changes to the heart muscle's greater need for oxygen when alcohol is in the body.
研究人员认为，这些改变是与在体内有酒时，心肌对氧的需要增大有关。
Alcohol is often a very potent trigger for cluster headache, as well.
此外，酒精还是集束性头痛的强力诱因之一。
Do you drink alcohol? How much do you drink a day?
您喝酒吗？一天喝多少？
043. appeal 呼吁，恳求
A look of silent appeal.
默默恳求的目光。
He made one last appeal to his father for permission.
他后一次恳求父亲批准。
They had no one to appeal to.
他们没有人可恳求。
He made one last appeal to his father to forgive him.
他后一次恳求父亲宽恕他。
044. appreciate 重视，赏识，欣赏
That he failed to appreciate me made me sore.
他以我并不赏识。这使我感到痛心。
She will appreciate your winning talents.
他会赏识你那迷人的才能。
This text simplies analyse the reason that the person who educates people will not appreciate.
本文浅析了育人者不会赏识的原因。
045. approve 赞成，满意 vt. 批准，通过
Indeed, it is possible that many would not approve this version.
说真的，可能许多人不赞成这个版本。
I do not approve you to go out with him.
我不赞成你同他一起出去。
Her mother does not approve of her friendship with John.
她母亲不赞成她同约翰交朋友。
