expander

expander — 名詞

1. a tool or piece of equipment designed to make an opening, a pipe, a body part, o

1.名詞B2
釋義

擴張器

使物品變大或變寬的工具

a tool or piece of equipment designed to make an opening, a pipe, a body part, or another object larger or wider than it was before.

例句

Gita used a chest expander every morning to strengthen her shoulder and back muscles.

Gita 每天早上使用擴胸器來強化肩膀和背部肌肉。

collocation: chest expander / tube expander / pipe expander

The plumber pushed a metal expander into the pipe to widen the narrow section.

水管工將一個金屬擴張器推入水管,以拓寬狹窄的部分。

同義詞
  • dilator

    a medical or surgical instrument that stretches an opening; more specific to body cavities than expander

  • spreader

    usually refers to a tool that pushes things apart, such as a clothes hanger spreader; stronger mechanical separation sense

  • stretcher

    used for fabric or material; more about pulling lengthwise rather than widening

文法句型

expander + for + noun phrase

body part + expander

object + expander

用法筆記

Often combined with a preceding noun that specifies what is expanded, e.g. chest expander, pipe expander, tyre expander.

2. a medical liquid given to a patient through a vein to increase the amount of flu

2.名詞C1
釋義

血容擴充劑

增加血液容量的醫療液體

a medical liquid given to a patient through a vein to increase the amount of fluid in the bloodstream, often used after blood loss or severe dehydration.

例句

The trauma team gave Kwame a plasma expander to raise his dangerously low blood pressure.

創傷小組給 Kwame 施打了血漿擴充劑,以提高他危險的低血壓。

collocation: plasma expander / blood expander / volume expander

After the surgery, the patient received a blood volume expander through an IV drip.

手術後,該患者透過靜脈滴注接受了血容量擴充劑。

同義詞
  • plasma substitute

    more specific; emphasises that the liquid replaces lost plasma rather than just increasing volume

  • volume expander

    a near-synonym that focuses on the function of increasing total fluid volume

  • colloid

    refers to the chemical category; used by medical professionals but less familiar to general learners

文法句型

plasma/volume expander

expander solution

用法筆記

Typically used in hospital or emergency contexts. The most common types are crystalloid solutions and colloid solutions. The word is almost always combined with a modifier such as plasma, blood, or volume.