1
discharge of n
表示某物的排出或释放，后常接of引出具体物质。
The discharge of industrial waste into rivers is strictly regulated.
工业废料向河流中的排放受到严格监管。
排出；排放；流出
先理解核心含义，再看它在真实句子里的用法。
排出；排放；流出
the act of expelling, venting, or flowing out, as of a liquid, gas, or other substance
The discharge of industrial waste into rivers is strictly regulated.
工业废料向河流中的排放受到严格监管。
排出或释放的行为
The act of expelling or letting go.
能量的突然释放
the sudden giving off of energy
释放出的物质
The material thus released.
排放
the act of venting
The patient had a thick nasal discharge during the cold.
感冒期间，病人有浓稠的鼻涕排出。
The factory was fined for illegal discharge of chemicals into the river.
这家工厂因非法向河中排放化学物质而被罚款。
The electric discharge from the storm lit up the sky.
暴风雨中的放电照亮了天空。
表示某物的排出或释放，后常接of引出具体物质。
The discharge of industrial waste into rivers is strictly regulated.
工业废料向河流中的排放受到严格监管。
表示从某处（如医院、军队）的离开或释放。
He received a discharge from the hospital after a week.
他一周后获准出院。
固定搭配，特指电学中的放电。
Lightning is a natural electrical discharge.
闪电是一种自然的放电现象。
Not this
The discharge of the hospital was delayed.
Use this
The discharge from the hospital was delayed.
名词discharge表示'出院'时，固定搭配介词from，而非of。介词from指示离开的场所，of则多表示所属或内容，此处强调从医院离开，故应用from。
Not this
He discharge from the army last year.
Use this
He received a discharge from the army last year.
名词discharge作'退伍'解时，需搭配动词如receive或get，不可直接作谓语。学习者受中文'他去年退伍'影响，误将discharge当动词使用，正确用法应使用被动语态（He was discharged）或名词短语（He received a discharge）。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
放电
The lightning is an example of a large electric discharge.
闪电是大型放电的一个例子。
废物排放
The factory was fined for illegal discharge of waste.
该工厂因非法排放废物被罚款。
出院
His discharge from hospital was delayed due to complications.
由于并发症，他的出院被推迟了。
鼻涕
Nasal discharge is a common symptom of the common cold.
流鼻涕是普通感冒的常见症状。
开火；射击
The accidental discharge of a firearm caused panic.
枪支意外走火引起了恐慌。
荣誉退伍
He received an honourable discharge after 20 years of service.
服役20年后，他获得了荣誉退伍。
Use discharge naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象“电池放电”：dis-（去掉）+ charge（电荷）→ 释放、排出；或“卸货”：去掉装载→ 解雇、流出。
register: neutral; contexts: [工业排放, 环境科学]; note_zh: 在英语中，discharge作为名词常指气体或液体的排出，多用于科技或环保语境，比较正式。
常与介词 of 连用
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.