Niche sign
[医] 龛影, 豪德克氏征(一种穿孔性胃溃疡的X线征)
🧩 词语组成解析
niche
[niʃ]
n. 壁龛;合适的位置（工作等）;有利可图的缺口，商机;
🗣️ 情景例句
All right. Is...is Susan coming?
好吧， Susan来吗？
It's available in a variety of sizes at convenience stores and department stores as well.
有各种大小型号，在便利商店和百货公司均有。
I learnt to drive in four weeks。
我四个星期就学会了开车。