N-COUNT
（方法、資源等的）寶庫(kù)；(儲(chǔ)藏工具的)倉(cāng)庫(kù)
You can use arsenal to refer to a large number of tools, methods, or resources that someone has available to help them achieve what they want to do.
例句
Managers use a full arsenal of motivational techniques to get employees to take risks...
管理者運(yùn)用各種激勵(lì)措施使雇員勇于冒險(xiǎn)。
He has more punches in his arsenal than other boxers.
他比其他拳擊手出拳花樣多。