Addendum circle
[机] 齿冠圆
🧩 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
Good afternoon, Mrs. Green. I'd like you to meet my girlfriend, Sally.
格林太太，下午好。我想让你认识一下我的女朋友萨里。
To build with blocks
搭积木
You can often buy things from their shop on your way home.
你可以经常在回家的路上到商店买你所需要的东西。