costae

costae的音标是[kəʊˈsteɪ]，基本翻译是肋弓下缘。记忆技巧如下：这个英文单词由两个单词组成，cost（成本）+ae（复数形式，表示“...的”），可以理解为成本的肋弓下缘。肋弓下缘是身体的一部分，通常用于医学检查和诊断。

Costae这个词来源于拉丁语，意为“cost”（即“海岸”或“海角”）。它的变化形式包括名词形式Coste（复数形式）和动词形式costare（意为“延伸”或“伸展”）。

相关单词：

coastline：海岸线，指的是海岸与海洋之间的边界线。

costal：与海岸有关的，通常用于描述与海岸相关的特征或结构。

costalcurve：也指与海岸有关的曲线，通常用于描述海岸线的形状。

costalfracturezone：指的是在海洋中的一种特殊地形，通常由海岸线的断裂形成。

costalzone：指的是海洋中的一个区域，通常与海岸线有关。

costalbarriers：指的是阻挡海岸线的障碍物，如山脉、河流等。

costalprotection：指的是保护海岸线的措施，如防波堤、护岸等。

costalengineering：指的是海岸工程学，研究如何保护和利用海岸线。

costalresilience：指的是海岸线的适应性和抗灾能力，是海洋科学研究的一个重要领域。

以上这些单词都与Costae这个词有直接或间接的联系，体现了海岸线在自然环境和人类活动中的重要性和复杂性。

常用短语：

1. at the cost of

2. cost sb. sth.

3. in cost

4. on the cost

5. at cost

6. cost oneself

7. at a cost of

双语例句：

1. We must make the sacrifice to save the company at all costs.

2. She paid a high price to acquire the knowledge, but in the end it was worth it.

3. The journey was expensive, but it was worth every penny.

4. We must be willing to pay the cost of change to achieve our goals.

5. It cost me a lot of time and effort to complete the project, but in the end it was worth it.

6. The company is willing to pay the cost of investing in new technology to improve its competitiveness.

7. At a cost of $100 per unit, this product is very expensive, but it is worth it for its performance and durability.

英文小作文：

The Cost of Success

Success often comes at a price, and it is essential to understand that before we commit a mistake like many others have done before us. Success requires dedication, hard work, and sacrifice, which are not easy things to accept for many people. However, if we are willing to pay the cost of success, we will eventually reap the rewards that come with it. The key is to be aware of what those costs are and how we can manage them to ensure that we are making the right decision for our future and our goals. When we are willing to pay the price, we can achieve our dreams and live a fulfilling life.