Bond conversion
[经] 债券兑换
🧩 词语组成解析
🗣️ 情景例句
Tom gave Helen an apple in exchange for a piece of cake.
汤姆用一个苹果和海沦换一块蛋糕。
As the call, so the echo.
发什么声音，有什么回声。
She felt worried. She wanted to get ready for her party.
她有点儿着急。她要为自己的聚会作好准备。