Nigra line
[医] 黑线(白线在妊娠时因色素沉着而变成)
🧩 词语组成解析
[医] 黑质
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
It's the biggest company in the country.
它是全国最大的。
Good wine needs no bush.
酒好客自来。
Sure that I had passed, I was almost beginning to enjoy my test.
确信我已通过考试，所以我几乎开始喜欢起这次考试。