🧩 词语组成解析
n. 武装切换；斗争工具；武器（weapon的复数）
plutonium
[[plu:'təuniəm]]
n. 钚\\n[化] 钚Pu
🗣️ 情景例句
She has the ability to speak English fluently.
她能够流利地说英语。
I have a lot of responsibility in my job.
我的工作责任重大。
the bank must recognize its customer's signature.
因为银行有责任辩认出其储户的签名。