Rarefaction
n. 稀薄化, 稀薄\\n[医] 稀疏[状态], 疏松[状态]
✅ 同义词
🗣️ 情景例句
I have a tourist visa.
旅游签证。
The watchmaker is near-sighted.
这位钟表匠是个近视眼。
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。