Frequent handling in the warehouse can coarsen the fabric before it reaches customers.

在倉庫中頻繁搬運可能會讓布料在送達顧客前就變得粗糙。

Our new hand cream prevents dry office air from coarsening your skin in winter.

我們的新款護手霜能防止辦公室乾燥的空氣在冬天讓你的皮膚變粗糙。

The supplier warned that cheaper fibers would coarsen the texture of the hotel towels.

供應商提醒，較便宜的纖維會使飯店毛巾的觸感變得粗糙。