Dentine contour line
[医] 牙本质外廓线
🧩 词语组成解析
n. 牙质\\n[医] 牙[本]质
contour
['kɔntuə]
n. 外形，轮廓;（地图上表示相同海拔各点的）等高线;概要;电路;
vt. 画轮廓（等高线）;
adj. 显示轮廓的;
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
No. I'm sorry, but we can't send out our tow truck to get you.
不能，真对不起，我们不能派拖车来。
One good mother is worth a hundred schoolmasters.
一个好的母亲顶得上一百个教师。
Though they extol the virtues of the peaceful life, only one of hem has ever gone to live in the country and he was back in town within six months.
尽管他们都交口称赞宁静的乡村生活的种种优点，但其中只有一个人真去农村住过，而且不足6个月就回来了。