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nanotechnology + is + [noun phrase]
nanotechnology 通常作不可数名词，作主语时谓语动词用单数。
Nanotechnology is the branch of engineering that deals with things smaller than 100 nanometers.
纳米技术是研究小于100纳米物体的工程学分支。
纳米技术
nanotechnologies — plural of nanotechnology
先理解核心含义，再看它在真实句子里的用法。
纳米技术
the branch of engineering that deals with things smaller than 100 nanometers, especially the manipulation of individual molecules
Nanotechnology is the branch of engineering that deals with things smaller than 100 nanometers.
纳米技术是研究小于100纳米物体的工程学分支。
制造纳米颗粒以及尺寸在纳米(1–100纳米)范围内的机器的科学技术。
The science and technology of creating nanoparticles and of manufacturing machines which have sizes within the range of nanometres (1–100 nm).
工程学的一个分支,研究小于 100 纳米的事物(尤指对单个分子的操控)
the branch of engineering that deals with things smaller than 100 nanometers (especially with the manipulation of individual molecules)
Many universities now offer courses in nanotechnology.
许多大学现在开设纳米技术课程。
Scientists use nanotechnology to create materials that are both strong and light.
科学家利用纳米技术制造既坚固又轻盈的材料。
The company is investing heavily in nanotechnology for medical devices.
该公司正大力投资用于医疗设备的纳米技术。
nanotechnology 通常作不可数名词，作主语时谓语动词用单数。
Nanotechnology is the branch of engineering that deals with things smaller than 100 nanometers.
纳米技术是研究小于100纳米物体的工程学分支。
指不同种类或应用领域时可用复数 nanotechnologies，谓语动词用复数。
Various nanotechnologies are being developed for medical use.
多种纳米技术正被开发用于医疗。
Not this
The nanotechnologies are developing quickly.
Use this
Nanotechnology is developing quickly.
泛指‘纳米技术’这一学科领域时，nanotechnology 为不可数名词，不能用复数形式；复数 nanotechnologies 仅指多种不同的纳米技术种类。
Not this
I want to study a nanotechnology.
Use this
I want to study nanotechnology.
当表示‘纳米技术’这一学科时，nanotechnology 为不可数名词，前面不能加不定冠词 a。中文的‘学一门技术’容易导致误加 a，英语中此处直接用零冠词即可。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
纳米技术研究
Nanotechnology research has led to major advances in electronics.
纳米技术研究推动了电子领域的重大进展。
纳米技术应用
Nanotechnology applications in medicine are expanding quickly.
纳米技术在医学领域的应用正在迅速扩展。
纳米技术产业
The nanotechnology industry creates specialized materials and sensors.
纳米技术产业制造专用材料和传感器。
纳米技术产品
New nanotechnology products are being tested for consumer use.
正在测试面向消费者使用的新型纳米技术产品。
纳米技术安全
Regulators are paying closer attention to nanotechnology safety.
监管机构正更加关注纳米技术安全。
纳米技术发展
Nanotechnology development requires close collaboration between scientists and engineers.
纳米技术的发展需要科学家和工程师之间的紧密合作。
Use nanotechnologies naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：nano（纳米）+ technology（技术）= 纳米技术，想象在纳米级微小世界里搭积木。
语域：formal 常见场景：学术论文、科技新闻报道、产业技术讨论 该词是比较正式的科技术语，通常出现在学术、科普或新闻等书面语境；日常口语中较少单独使用，常直接说“纳米技术”。
表示该学科领域时通常为不可数名词；也可作可数名词，复数形式为 nanotechnologies。
Dictionary facts from ECDICT, WIKTIONARY.