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
It's important
这是很重要的
It can't be true.
这不可能是真的。
They were also quite sure that a cigarette end did not start the fire.
他们还十分肯定火灾也不是由烟头引起的。