contraction

• 名词，表示收缩、缩小、紧缩或缩短的过程；在医学语境中常指肌肉收缩，尤其是分娩时的宫缩。

A noun referring to the process of becoming smaller, tighter, or shorter, often used in medical contexts to describe muscle tightening, especially during childbirth.

1. Linguistic shorteningB1formal

   A shortened form of a word or group of words, often using an apostrophe to indicate omitted letters.

   缩约

   • 'Can't' is a contraction of 'cannot'.
   • 'It's' is a contraction of 'it is' or 'it has'.
   • Contractions are common in informal speech and writing.

   同义词abbreviationshortening

2. Muscle tighteningB2formalmedical

   The process of a muscle becoming shorter and tighter, often during childbirth or exercise.

   收缩

   • She felt a strong contraction during labor.
   • The doctor monitored the frequency of her contractions.
   • Muscle contractions help move blood through the body.

   同义词constrictioncrampspasmtightening

   反义词relaxation

3. Reduction in sizeB2formal

   The act or process of becoming smaller or narrower.

   收缩

   • The contraction of metal occurs when it cools.
   • Economic contraction led to a recession.
   • The contraction of the balloon was due to the loss of air.

   同义词compressionconstrictiondecreasediminutionnarrowingreductionshrinkageshrinkingtightening

   反义词dilationdistensionenlargementexpansionextension