Euchlorin
碱铜矾
🗣️ 情景例句
Hello, my name is Susan and I am calling to confirm my reservation.
喂，你好，我叫苏珊，我大电话确定我的预定。
She refuses to make up her mind.
她拒绝下决心。
What was the date?
（昨天）是几月几日？