Word · Frequency #28160
sm
钐
a grey lustrous metallic element of the rare earth group; used in special alloys
化学符号为 Sm。
- 1.
n a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite；n a master's degree in science
理科硕士；[计] 仿真器
理科硕士；[计] 仿真器
In use
After two years of study, she earned an SM in mechanical engineering.
He is planning to pursue an SM in data science.
The SM degree at this university takes one year to complete.
sm in [field]
SM（或 S.M.）是 Master of Science 的缩写，与 MS 同义。
She earned her SM in physics from MIT.
她在麻省理工学院获得了物理学理科硕士学位。
sm is used in [application]
Sm 是化学元素钐（samarium）的符号，属于稀土金属。
Sm is used in special alloys for high-strength magnets.
钐被用于制造高强度磁铁的特殊合金。
Common mistakes
She has a SM degree in chemistry.She has an SM degree in chemistry.
SM 读作 /ˌes ˈem/，以元音音素开头，因此不定冠词要用 an，不能用 a。
He received his sm in physics.He received his SM in physics.
SM 表示理科硕士（Master of Science），是学位缩写，须大写；小写 sm 无法被识别为这一学位缩写，所以应改为大写。
The chemical symbol for samarium is sm.The chemical symbol for samarium is Sm.
化学元素符号必须首字母大写、其余字母小写；samarium 的元素符号是 Sm，小写 sm 不是规范的化学符号。
Connections
Collocations
- SmCo magnet
- 钐钴磁铁
- SmCo magnets are prized for their high-temperature stability.钐钴磁铁因其高温稳定性而备受珍视。
- Sm-doped ceria
- 掺钐的氧化铈
- Sm-doped ceria is a promising electrolyte for fuel cells.掺钐的氧化铈是一种很有前景的燃料电池电解质。
- Sm oxide
- 氧化钐
- Sm oxide is used in the production of special optical glass.氧化钐用于制造特殊光学玻璃。
- SM degree
- 理科硕士学位
- She holds an SM degree in electrical engineering.她拥有电气工程的理科硕士学位。
- earn an SM
- 获得理科硕士学位
- He decided to earn an SM in computer science.他决定攻读计算机科学的理科硕士学位。
- SM program
Learner notes
Memory Tip
想记住 sm：S = science，M = master，即“理科硕士”；同时钐的元素符号是 Sm，可联想银灰色的钐金属。
Context & Register
语域：mixed 常见场景：学位证书与简历、化学教材与元素周期表 sm 不是日常口语词，通常以缩略语或符号形式出现：表示理科硕士学位（Master of Science）时多用于学位证书、简历等正式学术文件；表示稀土元素钐（samarium）时常见于化学教材或元素周期表。日常英文中很少单独写小写 sm，具体含义需根据上下文判断。
Pronunciation & Spelling
These words all end in the letters -sm, pronounced /zəm/: prism and schism rhyme, and chasm and spasm rhyme. The headword sm is an abbreviation/symbol, not a spoken word ending in -sm, so it does not rhyme with them.
Dictionary facts from ECDICT, WIKTIONARY.