紙巾是可數(shù)名詞嗎

　　The melon is kind of a large sac-like pouch, made up of fat tissue.

　　甜瓜是一種大的囊狀袋子，由脂肪組織構(gòu)成。

　　This spongy tissue serves as a source of calcium for eggshell formation.

　　這種海綿狀組織是形成蛋殼的鈣質(zhì)來源。

　　This has wiped 6% off the value of the soft tissue paper market in the UK.

　　這使英國柔紙巾的市場價值被抹除了6%。