求几种discharge的常见用法?注意是常见~

discharge
dis.charge
AHD:[d¹s-chärj“]
D.J.[dis6t.$8d9]
K.K.[d!s6t.$d9]
v.（动词）
dis.charged， dis.charg.ing， dis.charg.es缩写 dis.
v.tr.（及物动词）
To relieve of a burden or of contents; unload.
卸下：解除负担或清除物品；卸货
To unload or empty (contents).
卸（货）；倒空（物品）
To release, as from confinement, care, or duty:
释放；使退伍：释放、摆脱，如从监禁、护理或责任：
discharge a patient; discharge a soldier.
允许病人出院；让士兵退伍
To let go; empty out:
放出；腾空：
a train discharging commuters.
乘客正乘火车上下班
To pour forth; emit:
排出，放出：
a vent discharging steam.
排出蒸汽的孔
To shoot:
射击：
discharge a pistol.
开枪
To remove from office or employment.See Synonyms at dismiss
免…的职；解雇参见 dismiss
To perform the obligations or demands of (an office, duty, or task).See Synonyms at perform
履行义务，执行命令：履行义务；执行（公务、职责或任务）的命令参见 perform
To comply with the terms of (a debt or promise, for example).
遵守规定：服