Addendum line
[机] 齿冠线
🧩 词语组成解析
addendum
[ə'dendəm]
n. 附加物;补遗;附录;<机>（齿轮的）齿顶（高）;
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
someone to sign for the loan for you.
找个人为你们的贷款签个名。
I tried several times to call, but there is no answer.
我打了几次，但是没有人回答。
There are a lot of people in the swimming pool.
游泳池里挤满了人。