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
Of course.
当然。
The doctor is afraid there is no hope for him.
医生担忧他已经无望了。
I think you should get a tank if you want to keep fish.
我看你要是真想养鱼的话，就该找个水箱。