Word · Frequency #23759
GA
镓
gallium (a rare silvery metallic element)
化学符号为 Ga。
- 1.
A member of a particular ethnic group in Ghana and Togo.
加纳和多哥的一个民族的成员。
塔崩；加纳和多哥的一个民族的成员。；镓(31号元素)
In use
The element ga is a soft metal that melts in your hand.
Chemists use ga to make light-emitting diodes.
If you hold a piece of ga, it will slowly turn into a liquid because it melts at about 30 degrees Celsius.
be the symbol for sth
在此义项中，Ga 指化学元素镓。
Ga is the symbol for gallium.
Ga 是镓的化学符号。
be a nerve agent
在此义项中，GA 指一种神经毒剂，首字母常大写。
GA is a nerve agent.
GA 是一种神经毒剂。
Connections
Collocations
- GaAs
- 砷化镓
- GaAs is used in solar cells and high-frequency circuits.砷化镓用于太阳能电池和高频电路。
- GaN
- 氮化镓
- GaN is the material behind blue LEDs.氮化镓是蓝色LED背后的材料。
- GA nerve agent
- GA神经毒剂
- The GA nerve agent was developed in Germany in 1936.GA神经毒剂于1936年在德国研制成功。
- liquid Ga
- 液态镓
- Liquid Ga expands when it freezes.液态镓凝固时会膨胀。
- Ga metal
- 金属镓
- Ga metal has a melting point of about 30°C.金属镓的熔点约为30摄氏度。
Synonyms
Learner notes
Memory Tip
把 ga 想成镓的化学符号 Ga：手心里的镓像冰一样，'嘎'一声就化成了银白液体（镓熔点低）。
Context & Register
语域：formal 常见场景：化学、军事/化学战 通常情况下，该词属于正式语域，多用于化学或军事等专业语境。若指元素，常见于科技文献；若指神经毒剂，多见于历史或军事资料。
Pronunciation & Spelling
The words ending in -ga are grouped by sound: yoga (/ˈjoʊɡə/) and toga (/ˈtoʊɡə/) rhyme, while saga (/ˈsɑːɡə/) has a different stressed vowel and does not rhyme with them. Gas, gap, and gal are spelling lookalikes that begin with ga- but use the vowel /æ/; they are not rhymes with the -ga group.
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.