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
I heard that you get vitamin D from sunshine, and that you soak it like a sponge.
我听说人们像海绵一样从阳光中摄入维生素D。
Excuse me, but may I ask a question?
对不起，我可以问个问题吗？
When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield.
当飞机到达时，一些侦探等候在主楼内，另一些侦探则守候在停机坪上。