| 胆绿素 | dǎn lǜ sù | biliverdin |
| 胆色素 | dǎn sè sù | bilirubin |
| 自由素食主义 | zì yóu sù shí zhǔ yì | Freeganism |
| 色素体 | sè sù tǐ | plastid (organelle in plant cell) |
| 芋螺毒素 | yù luó dú sù | conotoxin |
| 芫花素 | yuán huā sù | genkwanin |
| 茄红素 | qié hóng sù | Lycopene |
| 茹素 | rú sù | to eat a vegetarian diet |
| 葛兰素史克 | gě lán sù shǐ kè | GlaxoSmithKline, US pharmaceutical company |
| 葡萄球菌肠毒素 | pú táo qiú jūn cháng dú sù | staphylococcal enterotoxin |
| 荤素 | hūn sù | meat and vegetable |
| 蓖麻毒素 | bì má dú sù | ricin |
| 蛇毒素 | shé dú sù | snake toxin |
| 蛋白素 | dàn bái sù | albumin |
| 蛋黄素 | dàn huáng sù | lecithin (phospholipid found in egg yolk) |
| 血凝素 | xuè níng sù | hemaglutinin (the H of virus such as bird flu H5N1) |
| 血红素 | xuè hóng sù | hemoglobin |
| 血色素 | xuè sè sù | hematin (blood pigment); heme; hemoglobin; also written 血红蛋白 |
| 血色素沉积症 | xuè sè sù chén jī zhèng | hemochromatosis |
| 血蓝素 | xuè lán sù | hemocyanin (protein in the blood of molluscs etc with a respiratory function similar to hemoglobin) |
| 表皮剥脱素 | biǎo pí bō tuō sù | exotoxin |
| 裂变同位素 | liè biàn tóng wèi sù | fissile isotope |
| 复合词素词 | fù hé cí sù cí | polymorphemic |
| 襟素 | jīn sù | one's true heart |
| 角质素 | jiǎo zhì sù | keratin |
| 词素 | cí sù | morpheme |
| 词素结构 | cí sù jié gòu | morphological structure |
| 词素通达模型 | cí sù tōng dá mó xíng | morpheme access model (MA model) |
| 语素 | yǔ sù | language component; morpheme; individual characters (making up an expression) |
| 护发素 | hù fà sù | hair conditioner |
| 质素 | zhì sù | (high) quality |
| 轻元素 | qīng yuán sù | light element |
| 轻饶素放 | qīng ráo sù fàng | easily forgive, simply release (idiom); to let sb off scot free |
| 退黑激素 | tuì hēi jī sù | melatonin |
| 道德素质 | dào dé sù zhì | moral quality (in ideological education) |
| 酪素 | lào sù | casein (milk protein) |
| 重元素 | zhòng yuán sù | heavy element (such as uranium) |
| 锕系元素 | ā xì yuán sù | actinoids (rare earth series), namely: actinium Ac89 锕, thorium Th90 钍, protoactinium Pa91 镤, uranium U92 铀, neptunium Ne93 镎, plutonium Pu94 钚, americium Am95 镅, curium Cm96 锔, berkelium Bk97 锫, californium Cf98 锎, einsteinium Es99 锿, fermium Fm100 镄, mendelevium Md101 钔, nobelium No102 锘, lawrencium Lr103 铹 |
| 镧系元素 | lán xì yuán sù | lanthanoid (rare earth series), namely: lanthanum La57 镧, cerium Ce58 铈, praseodymium Pr59 镨, neodymium Nd60 钕[nü3], promethium Pm61 钷, samarium Sm62 钐, europium Eu63 铕, gadolinium Gd64 钆, terbium Tb65 铽, dysprosium Dy66 镝, holmium Ho67 钬, erbium Er68 铒, thulium Tm69 铥, ytterbium Yb70 镱, lutetium Lu71 镏 |
| 阿奇霉素 | ā qí méi sù | azithromycin (macrolide antibiotic); Zithromax |
| 降肾上腺素 | jiàng shèn shàng xiàn sù | noradrenalin |
| 降血钙素 | jiàng xuè gài sù | calcitonin |
| 雄性激素 | xióng xìng jī sù | male hormone; testosterone |
| 雄激素 | xióng jī sù | male hormone; testosterone |
| 雌性激素 | cí xìng jī sù | estrogen |
| 雌激素 | cí jī sù | estrogen |
| 震颤素 | zhèn chàn sù | tremorine (drug inducing shivering) |
| 霉素 | méi sù | teichomycin; -mycin |
| 霉菌毒素 | méi jūn dú sù | mycotoxin |
| 霍乱毒素 | huò luàn dú sù | cholera toxin |
