acutance

acuteness 的音标是[əˈkjuːtnəs]，基本翻译是“敏锐，灵敏”。

速记技巧是：可以利用词根记忆法来快速记住这个单词，acuteness的意思是“敏锐”或“灵敏”，其中“acute”表示“尖锐的，敏锐的”，ness表示“……性”。因此，可以联想记忆为“尖锐的程度”。

Acutance这个词在英文中通常被解释为“敏捷，迅速”的意思。这个词的词源可以追溯到拉丁语“acutus”和“cunctus”，这两个词分别表示“锐利的”和“一次的”。

变化形式：

1. Accute（形容词形式，表示“尖锐的，敏锐的”）

2. Accumulate（动词形式，表示“积累，堆积”）

相关单词：

1. Accelerate（加速） - 词源同acutance，表示加快速度。

2. Efficient（高效的） - 词源同acutance，表示敏捷、有效率的。

3. Swift（快速的） - 词源同acutance，表示敏捷、迅速的。

4. Agile（敏捷的） - 词源同acutance，表示灵活、机敏的。

5. Flicker（闪烁） - 词源同acutance，表示快速、闪烁的动作。

6. Vigilant（警惕的） - 词源同acutance，表示警觉、警惕的状态。

7. Evasive（逃避的） - 词源同acutance，表示敏捷地逃避、避免。

8. Rash（轻率的） - 词源同acutance，表示轻率、鲁莽的行为。

9. Swiftly（迅速地） - 词源同acutance和ly，表示迅速地做某事。

10. Acceleration（加速度） - 词源同acutance和lation，表示速度的变化或增加。

以上这些单词都与“敏捷”、“迅速”这一核心含义有关，并且都反映了acutance这个词在英语中的广泛应用和深远影响。

常用短语：

1. acute angle 锐角

2. acute injury 急性损伤

3. acute infection 急性感染

4. acute pancreatitis 急性胰腺炎

5. acute attack 急性发作

6. acute phase 急性期

7. acute illness 急性疾病

例句：

1. The doctor quickly diagnosed an acute infection in his throat.

2. She suddenly felt pain in her knee after a sudden movement, it was an acute injury.

3. The patient"s condition worsened with an acute pancreatitis.

4. He had an acute attack of chest pain and was rushed to the hospital.

5. The patient is currently in the acute phase of the illness and needs constant care.

6. He recovered quickly from his acute illness and was able to return to work soon after.

7. We must take immediate action to prevent an outbreak of acute infection in our community.

英文小作文：

Acute Infection: A Serious Threat to Health

Acute infection is a common yet serious condition that requires immediate medical attention. It usually occurs suddenly and can lead to severe pain, discomfort, and even death if not treated promptly.

One example is acute pancreatitis, which can cause severe abdominal pain and other symptoms that require immediate hospitalization. Another example is acute respiratory infection, which can lead to coughing, shortness of breath, and even pneumonia if left untreated.

Preventing acute infection is crucial. Good hygiene practices, including frequent hand washing and avoiding close contact with people who are sick, can help prevent the spread of infection. If you experience any symptoms of acute infection, seek medical attention promptly to ensure a speedy recovery.