Word · Frequency #26755
fissions
裂殖；二分裂
fissions is the plural of fission.
reproduction of some unicellular organisms by division of the cell into two roughly equal parts
此处指生物学上的分裂生殖；核裂变另译为“裂变”。
- 1.
The process whereby one item splits to become two.
一个物体分裂成两个的过程。
- 2.
reproduction of some unicellular organisms by division of the cell into two more or less equal parts
通过细胞分裂成两个大致相等部分的单细胞生物的繁殖
- 3.
nuclear fission: The process of splitting the nucleus of an atom into smaller particles.
核裂变:原子核分裂成较小粒子的过程。
- 4.
a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
一种核反应,大核裂变为较小核,同时释放能量
- 5.
The process by which a bacterium splits to form two daughter cells.
细菌分裂形成两个子细胞的过程。
一个物体分裂成两个的过程。；通过细胞分裂成两个大致相等部分的单细胞生物的繁殖；核裂变:原子核分裂成较小粒子的过程。；一种核反应,大核裂变为较小核,同时释放能量；细菌分裂形成两个子细胞的过程。
In use
Many single-celled organisms reproduce by fission.
During fission, the parent cell splits into two new cells.
Scientists observed fission in the bacteria under the microscope.
by fission
Many unicellular organisms reproduce by fission.
许多单细胞生物通过分裂繁殖。
the fission of [noun]
of 后接发生分裂的细胞或生物体。
The fission of the cell produces two roughly equal parts.
细胞的分裂产生两个大致相等的部分。
Common mistakes
Nuclear fission combines a heavy atom into two lighter atoms.
Connections
Collocations
- nuclear fission
- 核裂变
- Nuclear fission produces heat in a nuclear power plant.核裂变在核电站中产生热量。
- binary fission
- 二分裂
- Bacteria reproduce by binary fission.细菌通过二分裂进行繁殖。
- fission reaction
- 裂变反应
- The reactor uses a controlled fission reaction.反应堆使用受控的裂变反应。
- spontaneous fission
- 自发裂变
- Some heavy elements undergo spontaneous fission.一些重元素会发生自发裂变。
Synonyms
- division
- 细胞分裂；分裂 · division 含义更广，也能指一般意义上的分开；在谈论细胞或单细胞生物繁殖时，可与 fission 互换。
Learner notes
Memory Tip
fission 听起来像 fish（鱼）+ shun，联想一条鱼被切成两半：裂开、分裂、裂变。
Context & Register
语域：formal 常见场景：biology、scientific writing 该义项指单细胞生物通过细胞分裂进行繁殖，是生物学专业术语，通常用于学术文章、教材或专业讨论，比较正式，日常口语中较少见。
Pronunciation & Spelling
与 fission /ˈfɪʃən/ 真正押韵的是 mission /ˈmɪʃən/（同为 /ɪʃən/）。注意：session /ˈsɛʃən/、passion /ˈpæʃən/ 都拼作 -ssion，但元音不同；vision /ˈvɪʒən/ 虽形似，但辅音是 /ʒ/；fissure /ˈfɪʃər/ 和 issue /ˈɪʃuː/ 只是拼写或 /ʃ/ 音相似，不押韵。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.