estimate at的音標是[??st??mer?t ?t]，基本翻譯是“估計，估量；對…的估價”，速記技巧是：est=e+st=e+s+t=es=估計。

"estimate at" 這個詞組的英文詞源是 "estimate"（估計）和 "at"（在）。它的意思是“在估計的基礎上”。

變化形式：在英語中，"estimate" 可以變化為 "estimated"（估計的）和 "estimator"（估計者）。

相關單詞：

1. "guess"：意為“猜測”，其詞源與“estimate”相近，也表示對事物進行估計或猜測。

2. "provisional"：意為“臨時的”，表示在正式決定之前所做的估計或判斷。

3. "approximate"：意為“近似”，表示對事物的大致估計或接近真實值的估計。

4. "valuation"：意為“估價”，表示對物品或財產進行估計的過程。

5. "scout"：意為“偵察”，有時也用作對未知事物進行估計或預測。

6. "forecast"：意為“預測”，表示對未來事件的估計或預測。

7. "estimate based"：意為“基于估計的”，表示根據某種標準或基礎進行估計。

8. "estimate method"：意為“估計方法”，表示一種用于估計的特定方法或技巧。

9. "estimate range"：意為“估計范圍”，表示對某個數值或數量的大致估計范圍。

10. "estimate quotient"：意為“估計商數”，表示一種用于估計的數學方法或公式。

以上這些單詞都與“estimate”有密切關系，并且在不同的語境中可以用來描述對事物進行估計或預測的不同方面。

常用短語：

1. Estimate at the beginning of the project

2. Estimate the cost of the project

3. Estimate the time needed for the project

4. Estimate the amount of resources required

5. Estimate the quality of the project

6. Estimate the risk of the project

7. Estimate the impact of the project on the company

雙語例句：

1. We need to estimate the cost of building a new factory at the beginning of the project.

2. The project manager needs to estimate the time needed to complete the project.

3. The company needs to estimate the impact of a new product on its sales.

4. The engineers need to estimate the amount of resources required for the project.

5. The project team needs to estimate the quality of the project to ensure it meets expectations.

6. The financial department needs to estimate the risk of investing in a new business venture.

7. We need to adjust our estimates based on actual performance and feedback from stakeholders.

英文小作文：

Title: Project Estimation: The Key to Successful Execution

Project estimation is an essential part of any project management process, as it helps us plan, budget, and monitor our work effectively. It involves estimating various factors such as costs, time, resources, quality, risks, and impacts, which are crucial for ensuring a successful project execution.

By accurately estimating these factors, we can avoid surprises and unexpected costs, which can be a significant burden on a company"s budget and cash flow. Additionally, accurate project estimation helps us identify bottlenecks and risks early on, enabling us to take appropriate action and mitigate them before they become a serious issue.

However, project estimation is not an exact science and requires a combination of expertise, experience, and good judgment. It is essential to constantly update our estimates based on actual performance and feedback from stakeholders, as conditions may change during the project execution.

By carefully planning and executing our project estimation process, we can ensure that our projects are delivered on time, within budget, and with the expected quality and impact on the company. This will help us build trust and credibility with our stakeholders and maintain our reputation as a reliable and trustworthy organization.