Word: 碳汇 (tànhuì) Traditional: 碳匯 碳汇 dictionary entry tànhuì carbon credits; carbon sink Full dictionary entry for 碳汇 Example sentences using 碳汇 2 sentences, showing page 1 of 1. 海洋也是一个巨大的碳汇。 Hǎiyáng yě shì yí gè jùdà de tànhuì. The ocean is also a huge carbon sink. 湿地为什么也算碳汇呢？ Shīdì wèishénme yě suàn tànhuì ne? Why do wetlands count as a carbon sink too?