Shìwèi zǔzhī bǎ āsībātián liè wéi kěnéng zhì'ái wù.
The WHO classified aspartame as a possible carcinogen.
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Loanword: 阿斯巴-甜 mimics 'aspar-' + native 甜 (sweet). Only the last syllable is meaningful Chinese — a common trick in chemistry/brand transliteration (see 阿司匹林 for aspirin).