Una corda
[意][音]用柔音踏板(的), 用独弦(的)
🧩 词语组成解析
abbr. 联合国协会（United Nations Association）
🗣️ 情景例句
I'll go down to Henry's grocery. He's always open.
我到亨利杂货店去。那里总是开门营业的
I am well aware of how risky this investment is.
我非常清楚这项投资有多大的风险。
He was efficient in his work.
他工作效率高。