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
What broke up their friendshop?
是什么破坏了他们的友情呢？
Like tree, like fruit.
有其因必有其果。
the only sound that could be heard was made by water which dripped continuously from the high dome above them.
唯一的可以听见的声响是高高的圆顶上不间断地滴水的嘀嗒声。