beneficial

beneficial的音标为[bɪ"nefɪlɪk]，基本翻译是“有益的；有利的”。

速记技巧：benefit（好处）+ -ial（形容词后缀）构成。

Beneficial这个词的词源可以追溯到拉丁语beneficium，意为“恩惠”或“援助”。它的词形变化形式主要包括复数形式benefices，过去式和过去分词benefici，以及形容词形式beneficial。

相关单词：

1.Benefactor - 施主，恩人：这个词由beneficial和actor组成，表示给予他人帮助或恩惠的人。

2.Benefit - 好处，利益：这个词直接由beneficial派生而来，表示从帮助或援助中获得的好处。

3.Beneficiary - 受益人：这个词由benefit和y组成，表示从帮助或援助中受益的人。

4.Benevolence - 仁慈，善意：这个词由beneficium和lenis（意为“宽大的”）组成，表示慷慨给予他人帮助或恩惠的人。

5.Beneficent - 慈善的，有益的：这个词由beneficial和形容词词性构成，表示给予他人帮助或恩惠的行为。

Beneficial这个词在英语中应用广泛，可以形容任何对某人或某事有益的事物，也可以形容人性格上的善良和慷慨。它体现了人类社会互助互爱的精神，是英语文化中重要的价值观之一。

常用短语：

1. beneficial to sb 对某人有益的

2. beneficial investment 有益的投资

3. beneficial effect 好处

4. beneficial use 益处

5. beneficial cooperation 有益的合作

6. beneficial resources 有益的资源

7. beneficial impact 有益的影响

例句：

1. Exercise is beneficial to our health.

2. Investing in stocks can be a beneficial investment.

3. Reading books can bring you many beneficial effects.

4. We should make a beneficial use of our time.

5. Beneficial cooperation between countries can help to solve global problems.

6. The ocean provides us with a wealth of beneficial resources.

7. The new technology will have a beneficial impact on our economy.

英文小作文：

标题：The Benefits of Nature Walks

Nature walks are a great way to relax and enjoy the beauty of nature. They are beneficial for many reasons. Firstly, they help us to de-stress and relieve the pressure of daily life. Secondly, they provide us with fresh air and clean, clear views of the natural world. Thirdly, they help us to connect with nature and appreciate its wonders. Finally, nature walks can be beneficial for our physical health as they improve our cardiovascular system and boost our immune system. So, take some time out and go on a nature walk today!