Maintenance assurance
[化] 技术保证
🧩 词语组成解析
assurance
[ə'ʃʊrəns]
n. 保证，担保;（人寿）保险;确信;厚脸皮，无耻;
as 一再 + sur 肯定 + ance 表名词，状态、 、行为 → n. 保证 ;把握 ;(人寿)保险
🗣️ 情景例句
We were married almost fifty years.
我们结婚将近五十年。
To negotiate the agreement
商议同意
Good.we can't extend the deadline.
那好，我们可不能延期的。