adequate
单词辨析：
指数目、数量、程度等达到某一特定要求或需要的。
The food is sufficient for everybody to eat.
食物足够所有人吃的。
The money I have saved is sufficient for buying a Ford.
我所存的钱足够买一辆福特轿车。
This is sufficient to show that his argument is false.
这足以证明他的论点是错误的。
指某物数量极为丰富的，可大量供应。
First, we have abundant natural resources.
首先，我们拥有丰富的自然资源。
Oil is in abundant supply in this country.
该国石油供应十分充裕。
This is a prosperous area with abundant fish and rice.
这里是鱼米富饶之乡。
指数量足够的，质量合乎要求的。
He wanted a salary adequate to support his family.
他要一份足够养家的薪水。
The supply is not adequate to meet the demand.
供不应求。
She didn't give an adequate answer to the question.
对这个问题她没有给出令人满意的答复。
Fifty dollars is barely adequate to pay for breakfast in a Moscow hotel.
50美元勉强能够应付在一家莫斯科旅馆的早餐开销。
指某物不仅能满足需求而且还有富余的。
We have ample time for a leisurely lunch.
我们有充裕的时间从从容容吃顿午饭。
The garage has ample storage and work space.
车库里有足够的存储和工作空间。
Gate has ample stage experience, and won't get stage fright.
盖特有丰富的舞台经验，不会怯场。
普通用词，用于口语和书面语均可，通常表示数量、程度等足够或充分的。
They have enough coal to see the winter out.
他们有足够的煤过冬。
He didn't have enough money to pay his train fare.
他没有足够的钱来付火车费。
There isn't enough evidence to prove him guilty.
没有充分的证据证明他有罪。
He has enough money to buy a big house.
他有足够的钱买一所大房子。
相关例句：
Protecting health through safe water and adequate sanitation;
通过安全饮用水和适当卫生设施保护健康；
He had not an adequate arena for the exercise of his talents.
他没有充分发挥其才能的场所。
A system like ours lacks adequate safeguards for civil liberties.
我们这样的制度缺乏有效保护公民自由的条款。
People accused the ministry of failing to take adequate preventive measures.
人们谴责该政府部门未能采取足够的预防措施。
There was adequate rain and snow last winter.
去年冬天雨雪充足。
The motion was carried perfunctorily, without any adequate discussion.
这个提案没经过认真讨论，就稀里糊涂地通过了。