Nominal addendum
[机] 标准齿冠
🧩 词语组成解析
addendum
[ə'dendəm]
n. 附加物;补遗;附录;<机>（齿轮的）齿顶（高）;
🗣️ 情景例句
Keep trying! don't give up the ship.
继续努力！ 别轻易放弃！
The president must have the approval of Congress to declare war.
总统若要宣战，必须获得国会的承认。
Hello! Sydney 7654392.
喂！我是悉尼7654392。