exhaust

• 名词，指发动机、涡轮或其他机械排出的废气或蒸汽，也指将其排出的系统。

A noun referring to waste gases or steam expelled from an engine, turbine, or other machine, or the system that expels them.

1. Waste gasesB1formal

   The gases or steam produced by an engine as waste, expelled through a pipe.

   废气

   • The car's exhaust is very loud.
   • Exhaust fumes are harmful to the environment.
   • The mechanic checked the exhaust system for leaks.

   同义词dischargesmoke

2. Exhaust pipeB1informal

   The pipe or system that carries waste gases away from an engine.

   排气管

   • The exhaust fell off the old truck.
   • He replaced the rusted exhaust on his motorcycle.
   • The exhaust was damaged after hitting a rock.

   同义词exhaust pipeexhaust systemtailpipe

• 动词，表示用完、耗尽（资源、精力等），或使人极度疲劳。

A verb used to indicate the act of draining or using up completely, or causing extreme fatigue.

1. Tire completelyB1formal

   To make someone extremely tired, physically or mentally.

   使精疲力竭

   • The long hike exhausted the entire group.
   • Working double shifts exhausted her completely.
   • The intense training session exhausted the athletes.

   同义词debilitatedrainenervatefatigueovertiresaptaxtirewear outweary

   反义词energizeinvigoraterefreshrejuvenaterevive

2. Use up completelyB2formal

   To use all of something, leaving none remaining.

   用尽

   • The factory exhausted its supply of raw materials.
   • We have exhausted all possible options.
   • The car exhausted its fuel before reaching the station.

   同义词consumedepletedrainexpenduse up

   反义词providerefillreplenishrestorestocksupply

3. Discuss thoroughlyC1formal

   To talk about or examine a subject completely.

   穷尽

   • The committee exhausted the topic in their three-hour meeting.
   • We exhausted every detail of the contract during negotiations.
   • The professor exhausted the subject in his lecture series.

   同义词coverexamineexploreinvestigateprobetreat

   反义词glossoutlineskimtouch