penultimate
adj[attrib 作定语]
next to and before the last one; last but one 倒数第二的
the penultimate letter of a word 一词的倒数第二个字母
the penultimate day of the month 月底的前一日.
🗣️ 情景例句
Your room number is 512. Here's your key.
房间号码是512。这是您的钥匙。
He that gains well and spends well needs no account book.