actinic

actinic的音标为["æktɪnɪk]，基本翻译为“辐射的；光敏性的”。

速记技巧：将该词拆解为“act（行为）+in（在…里面）+tic（有…性质的）”的形式，可以理解为“行为在里面的具有某种性质的”，即“辐射的”或“光敏性的”。

Actinic这个词来源于希腊语，意为“与光有关的”。它的变化形式包括其过去式actinized和过去分词actinized。

相关单词：

actinoid：放射性元素，如镭和铀，它们在衰变过程中产生光。

actinic radiation：光辐射，通常指放射性物质产生的辐射。

actinic light：紫外线，一种具有高能量和产生光化学反应的辐射。

这些单词都与光和放射性有关，描述了自然界中一些具有特殊性质的物质和现象。Actinic这个词在科学和医学领域中经常使用，用以描述与光和放射性有关的事物。

常用短语：

1. actinic radiation 紫外线辐射

2. actinic keratosis 光化性角化病

3. actinic pruritus 日光性瘙痒

4. actinometry 紫外线测定

5. actinometry of the skin 皮肤紫外线测定

6. actinoptysis 紫外线过敏性哮喘

7. actinotherapy 紫外线疗法

例句：

1. He developed actinic keratosis after spending too much time in the sun.

2. We need to protect ourselves from actinic radiation to avoid skin cancer.

3. She had an actinic pruritus attack after being in the sun too long.

4. The doctor used actinotherapy to treat his skin condition.

5. The actinometry of the skin is used to determine the amount of UV radiation in the environment.

6. Some people are highly sensitive to actinic radiation and should avoid exposure as much as possible.

7. The sun"s actinic radiation is a natural source of vitamin D, but too much exposure can be harmful.

英文小作文：

The importance of protecting ourselves from actinic radiation cannot be overstated. Exposure to UV radiation from sunlight or artificial sources can lead to various skin conditions, including actinic keratosis and skin cancer. Therefore, it is essential to wear sunscreen, wear protective clothing, and seek shade when possible to minimize our exposure to UV radiation. At the same time, we should also take advantage of the natural source of vitamin D provided by sunlight, but we must be mindful of how much time we spend in the sun to avoid excessive exposure. In conclusion, protecting ourselves from actinic radiation is crucial for maintaining good health and preventing skin problems.