by-pass

by-pass的音标是[baɪ"pɑːs]，基本意思是“旁路，分流；旁路通道；分流术；绕过，避开” 。其速记技巧是：可以联想物理知识，血液在人体内通过各种管道循环流动，其中一些管道被堵塞了，血流无法通过，但可以通过其他管道绕过堵塞的地方继续流动。

By-pass的英文词源是“by”加上“pass”，意为“绕过、避开”。它的变化形式主要有名词bypass（绕过、旁路）和动词bypass（绕过、避开）。相关单词有bypass surgery（旁路手术）、bypass valve（旁路阀）、bypass tube（旁路管）、bypass network（旁路网络）、bypass flow（旁路流量）、bypass ratio（旁路比率）等。这些单词在医学、工程和物理学等领域都有广泛的应用。

例如，bypass surgery是指通过绕过或避开某些器官或组织的病变来治疗疾病的一种手术方式，常用于心脏手术中。bypass valve则是指用于旁路管道或阀门的装置，可以有效地将流体从一条路径转移到另一条路径，避免堵塞或损坏。

总之，By-pass作为英语中的一个常用词汇，其变化形式和相关单词在各个领域都有广泛的应用，体现了英语词汇的多样性和灵活性。

by-pass短语：

1. by-pass valve 旁通阀

2. by-pass flow 旁路流量

3. bypass system 旁路系统

4. bypass surgery 旁路手术

5. bypass machine 旁路机器

6. bypass route 旁路路线

7. bypass treatment 旁路疗法

例句：

1. The valve was adjusted to open the by-pass route.

(调整阀门以打开旁路路线。)

2. The patient underwent bypass surgery to alleviate his heart condition.

(病人接受了旁路手术以缓解他的心脏状况。)

3. The bypass machine is used to support the patient"s blood circulation during surgery.

(在手术期间，旁路机器用于支持病人的血液循环。)

4. The by-pass valve is crucial for maintaining the flow of blood through the heart.

(旁通阀对于维持血液通过心脏的流动至关重要。)

5. The by-pass surgery was successful and the patient is now recovering well.

(旁路手术成功，病人现在正在康复中。)

6. The by-pass route is often used to avoid traffic congestion during peak hours.

(旁路路线通常用于避开高峰时间的交通拥堵。)

7. The bypass treatment has become a popular alternative to traditional surgery for heart disease.

(对于心脏病，旁路疗法已成为传统手术的一种受欢迎的替代方案。)

英文小作文：

Title: The Benefits of a By-Pass Surgery

When it comes to heart disease, many people are faced with the decision of whether or not to undergo bypass surgery. Although it is a serious procedure, it can be a lifesaving option for those who are suffering from severe blockages in their coronary arteries.

The benefits of a bypass surgery include improved blood flow to the heart, reducing the risk of further blockages, and improved heart function, which can lead to a decrease in the need for future medications and hospitalizations. Additionally, the surgery can often be performed quickly and with minimal pain and recovery time, making it an attractive option for many patients.

However, like any surgical procedure, there are risks involved, including infection, bleeding, and damage to surrounding tissues. Therefore, it is essential to discuss the risks and benefits of the surgery with your doctor and make an informed decision based on your individual circumstances.

In conclusion, if you are considering undergoing bypass surgery for heart disease, it is important to weigh the benefits against the risks and make an informed decision based on your personal situation.