protraction of time 时间拖延
protraction of conflict 冲突延长
mandibular protraction 下颌前伸
protraction mechanism 前伸机制
protraction stage 延长期
1. The protraction of the meeting annoyed everyone.
会议的拖延让所有人感到不满。
2. Medical protraction of the jaw can improve breathing.
医学上的下颌前伸可以改善呼吸。
3. The war led to the protraction of economic problems.
战争导致经济问题的长期延续。
4. The protraction of the project increased costs.
项目的拖延增加了成本。
A: Why is there so much protraction in the project?
A：为什么这个项目拖延这么严重？
B: Because of unexpected technical problems.
B：因为出现了意外的技术问题。
1) 指时间上的延长或拖延过程
2) 指空间或结构的向前延伸
3) 医学中指身体部位的前伸动作
4) 用于描述事件持续时间变长
1. 延长；拖延；延伸
e.g.The protraction of negotiations caused delays.
谈判的拖延造成了延误。
2. 前伸动作（如身体部位）
e.g.Jaw protraction is used in orthodontics.
正畸学中使用下颌前伸。
noun
1. The act or process of extending or lengthening something in time, space, or structure; delay or forward extension.
Synonym: extension, prolongation