estrin

estrin的音标为["ɪstərɪn]，基本翻译为“雌激素”。

速记技巧：这个单词的拼写较为复杂，但是可以结合其含义进行记忆。estrin是女性体内分泌的一种激素，与“女性”和“激素”相关。可以尝试将单词拆分记忆，e-ste-ri-n，这样更易于记忆。

以下是一些含有estrin词源的单词及其变化形式和相关单词：

1. estrogen (名词) - 由estrin(词源同estrine)加上后缀-gen(来自拉丁语-gener，表示“产生”)构成。Estrogen是一种女性荷尔蒙，与月经周期和生育有关。

2. estrone (名词) - 是estrogen的一种，是体内最强大的雌激素。其词源与estrine和estrin相同。

3. estrus (名词/形容词) - 意为“发情”或“性兴奋期”。这个词源于拉丁语，意为“公牛发情”。

4. estrine (名词) - 一种有机化合物，是雌三醇的前体，与雌激素有关。

5. estrin (名词) - 一种与雌激素相关的化合物，由estrine派生而来。

6. estrildid (名词) - 这是一个生物分类名称，用于描述estrine相关的一类鸟类。

7. estrinemia (名词) - 意为“雌激素代谢”。

8. estrinotrope (名词) - 意为“雌激素调节剂”。

9. estrinuria (名词) - 意为“雌激素尿症”，是一种疾病症状，通常与肾脏问题有关。

10. estrinuria (动词) - 意为“产生雌激素尿”。

以上单词都与雌性激素和其相关生理过程有关，这些单词的词源和变化形式可以帮助我们更好地理解这些概念。每个单词都有其独特的含义和用途，有助于我们更全面地了解人体激素系统。

常用短语：

1. eat one"s words 收回说过的话

例句：He finally admitted he was wrong and ate his words.

2. give sb the cold shoulder 不理睬某人

例句：She gave him the cold shoulder when he asked for a date.

3. speak from both sides of the mouth 说话两面三刀

例句：He always speaks from both sides of the mouth to get what he wants.

4. break the ice 打破僵局

例句：They couldn"t start a conversation because they were both nervous and breaking the ice was difficult.

5. keep one"s options open 不急于做决定

例句：He"s keeping his options open until he knows more about the job.

6. speak from the heart 真诚发言

例句：She always speaks from the heart and is very easy to listen to.

7. speak one"s mind 说出心里话

例句：I finally spoke my mind and told him how I really felt about the situation.

英文小作文：

When it comes to making decisions, we all face situations where we need to choose between two or more options. Sometimes, we may feel overwhelmed or unsure about what to do, but by keeping our options open and weighing the pros and cons of each option, we can make a more informed decision that is in our best interest.

In life, there will always be uncertainties and challenges, but by approaching them with an open mind and an open heart, we can overcome any obstacle and achieve our goals. By staying flexible and not being afraid to change course if necessary, we can steer our lives in the direction we want to go.

Therefore, I believe that it is important to always keep our options open, weigh the pros and cons of each option, and approach life with an open mind and an open heart. This way, we can make the most of our opportunities and live a fulfilling life.