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
What do you do for a living, Mr. Stewart?
你是做哪一行的 Stewart先生？
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
A great many goods were sent to the exhibition from various parts of the world.
大量的商品从世界各地运送到了博览会，