1. soak/səʊk/

v. 沉浸于；享受

搭配：soak up the sunlight/ soak in the sunshine 沐浴阳光

e.g. After weeks of rain, we finally went to the park to soak up the sunlight.

e.g. he sat on the balcony with a cup of coffee, quietly soaking in the sunshine.

近义词：bask v. 舒适地晒太阳取暖

搭配：bask in the sunshine

e.g. I love visiting the countryside in spring, where I can relax and bask in the sunshine without any distractions.

2. deficiency /diˈfiʃənsi/

n.缺乏；缺少；不足

搭配：Vitamin D deficiency 维生素D不足

e.g. Vitamin D deficiency is often caused by limited sun exposure, especially among people who spend most of their time indoors.

e.g. Insufficient sun exposure is a primary contributor to vitamin D deficiency, particularly in urban populations.

adj. deficient 缺乏的;缺少的

搭配：be deficient in 缺乏…

e.g. People with limited sun exposure are often deficient in vitamin D.

3. exposure /ɪk'spəʊʒə/

n. 暴露;接触；

搭配：prolonged exposure to … 长时间接触…

e.g. Children are particularly vulnerable to exposure to air pollution.

e.g. prolonged exposure to ultraviolet (UV) rays can increase the risk of skin cancer.

补充：ultraviolet 紫外线

v. expose 使暴露;使显露

搭配：be exposed to … 

e.g. Children should not be exposed to secondhand smoke.

补充：secondhand smoke 二手烟

4. sunstroke /ˈsʌn.strəʊk/

n. a serious condition that happens when someone has been in the sun too long and that causes a person to stop sweating, have a very high body temperature, and become exhausted or unconscious中暑；日射病 

等同于：heatstroke

e.g.  If someone shows signs of sunstroke, it’s crucial to move them to a shaded area and cool them down immediately.

e.g. The runner suffered from sunstroke after running for hours under the scorching sun.

补充: scorching adj. 酷热的;高温的

其他相关疾病：dehydration 脱水

adj. dehydrated 脱水的

e.g. During hot weather, athletes are at high risk of dehydration if they do not drink enough water.

e.g. It’s important to recognize the signs of being dehydrated, such as dizziness and dry mouth.