1
benzene + be + [adj]
描述 benzene 的性质时，常用 be 加形容词；此时 benzene 为不可数名词，谓语用单数。
Benzene is highly inflammable.
苯是高度易燃的。
苯
先理解核心含义，再看它在真实句子里的用法。
苯
a colorless, highly flammable liquid hydrocarbon; the simplest aromatic compound, known to be carcinogenic
Benzene is highly inflammable.
苯是高度易燃的。
化学式为C6H6的芳香烃,结构为交替单键和双键组成的环。
An aromatic hydrocarbon of formula C6H6 whose structure consists of a ring of alternate single and double bonds.
一种无色液体烃；高度易燃；致癌；最简单的芳香化合物。
a colorless liquid hydrocarbon; highly inflammable; carcinogenic; the simplest of the aromatic compounds
The lab technician stored the benzene in a sealed metal container.
实验室技术员将苯存放在密封的金属容器中。
Workers must wear protective gloves when they handle benzene in the factory.
工人在工厂处理苯时必须戴上防护手套。
Benzene evaporates quickly, so the room needs good ventilation.
苯蒸发得很快，所以房间需要良好的通风。
描述 benzene 的性质时，常用 be 加形容词；此时 benzene 为不可数名词，谓语用单数。
Benzene is highly inflammable.
苯是高度易燃的。
对 benzene 下定义或归类时，be 后接名词短语。
Benzene is the simplest of the aromatic compounds.
苯是最简单的芳香化合物。
Not this
Benzine is a colorless aromatic liquid used as a solvent.
Use this
Benzene is a colorless aromatic liquid used as a solvent.
benzene（苯）和 benzine（汽油/挥发油）拼写相近但指不同物质；要表示定义中的芳香液体化合物，应写成 benzene。
Not this
Benzene is used as solvent in many industrial processes.
Use this
Benzene is used as a solvent in many industrial processes.
solvent 在此为可数名词，作补足语时单数名词前必须有不定冠词，因此 as solvent 应改为 as a solvent。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
苯环
The benzene ring is a key structure in organic chemistry.
苯环是有机化学中的关键结构。
苯分子
The benzene molecule contains six carbon atoms.
苯分子包含六个碳原子。
苯的衍生物
Toluene is a common benzene derivative.
甲苯是一种常见的苯的衍生物。
接触苯
Workers must protect themselves from benzene exposure.
工人必须保护自己避免接触苯。
苯中毒
Chronic benzene poisoning can damage the bone marrow.
慢性苯中毒会损害骨髓。
液态苯
Liquid benzene is highly flammable.
液态苯极易燃。
Use benzene naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
开头 ben 正好是“苯”字形里的“本”（běn），音义都挂钩；记住 benzene＝苯，拼写先写 ben。
语域：formal 常见场景：chemistry、industrial safety、environmental regulation 通常用于化学、工业或环境科学等专业语境，日常口语中较少出现。
All listed words end in the stressed sound /iːn/ and rhyme with benzene (source IPA /bɛnˈzin/, where /i/ represents the same vowel as /iː/). Beware lookalikes spelled with -ene that do not rhyme: combine /kəmˈbaɪn/ and engine /ˈɛndʒɪn/.
Dictionary facts from ECDICT, WIKTIONARY.