1
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。
镓
gas — plural of ga
先理解核心含义，再看它在真实句子里的用法。
镓
gallium (a rare silvery metallic element)
Ga is the symbol for gallium.
Ga 是镓的化学符号。
化学符号为 Ga。
加纳和多哥的一个民族的成员。
A member of a particular ethnic group in Ghana and Togo.
The element ga is a soft metal that melts in your hand.
镓是一种柔软的金属，会在手心里熔化。
Chemists use ga to make light-emitting diodes.
化学家使用镓来制造发光二极管。
If you hold a piece of ga, it will slowly turn into a liquid because it melts at about 30 degrees Celsius.
如果你拿着一块镓，它会慢慢变成液体，因为它在约30摄氏度时熔化。
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。
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。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
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。
氮化镓
GaN is the material behind blue LEDs.
氮化镓是蓝色LED背后的材料。
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。
液态镓
Liquid Ga expands when it freezes.
液态镓凝固时会膨胀。
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。
Use gas naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
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）。
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。
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.
Dictionary facts from ECDICT, WIKTIONARY.