discharge waste
collocation排放废料
The factory must treat the water before discharging waste into the river.
工厂在向河里排放废料之前必须先处理废水。
排出；排放；释放
先理解核心含义，再看它在真实句子里的用法。
排出；排放；释放
to expel or let go (gas, liquid, waste, etc.)
The river discharges into the ocean near the city.
这条河在城市附近流入海洋。
完成或履行义务。
To accomplish or complete, as an obligation.
免除债务、索赔、义务、责任、指控等；宣布无罪；原谅；澄清。
To free of a debt, claim, obligation, responsibility, accusation, etc.; to absolve; to acquit; to forgive; to clear.
通过付款打发(债权人)；偿还债务或履行对......的义务。
To send away (a creditor) satisfied by payment; to pay one's debt or obligation to.
撤销；废除；解雇
To set aside; to annul; to dismiss.
discharge
Base
原形
discharges
3rd person
第三人称单数
discharging
-ing
现在分词
discharged
Past
过去式
discharged
Past participle
过去分词
The factory discharges waste into the river.
这家工厂向河里排放废物。
He discharged his duties faithfully.
他忠实地履行了职责。
She has discharged all her debts.
她已经还清了所有债务。
规则动词，过去式和过去分词都是 discharged。
The doctor discharged the patient after the operation.
医生在手术后让病人出院了。
He discharged his duties as treasurer with great care.
他非常认真地履行了财务主管的职责。
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排放废料
The factory must treat the water before discharging waste into the river.
工厂在向河里排放废料之前必须先处理废水。
让病人出院
The hospital discharged the patient after the test results came back normal.
检查结果正常后，医院让病人出院了。
履行职责
She discharged her duties as treasurer with great care.
她非常认真地履行了司库的职责。
清偿债务
He finally discharged the debt he owed to his brother.
他终于清偿了欠哥哥的债。
开枪；发射枪械
The hunter accidentally discharged his firearm while climbing over the fence.
猎人翻越栅栏时不小心开了枪。
放电
Some fish can discharge electricity to stun their prey.
有些鱼能放电来击晕猎物。
履行职责
She discharged her duties as treasurer with great care.
她非常认真地履行了财务主管的职责。
服刑赎罪；偿还社会债务
After years in prison, he felt he had discharged his debt to society.
在狱中服刑多年后，他觉得自己已经偿还了对社会欠下的债。
Use discharge naturally, then get feedback on meaning, tone, grammar, and phrasing.
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记法：dis（分开）+ charge（装载），想象把装着的能量或货物释放出去，就是“排出、发射、解雇”，帮你联想 discharge 的多种释放义。
语域：formal 常见场景：hospital、military、environmental protection 表示“释放、排放”时，多用于医院（病人出院）、军队（退伍）或环保（排放废物）等正式场合；日常口语中较常见 release 或 let out。
既可作及物动词（如 discharge sb from hospital），也可作不及物动词（如 batteries discharge）。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.