Word · CEFR A1 · Frequency #32141
CD
定期存单；存款证
核心释义
a bank-issued certificate for money deposited for a fixed term, usually paying interest
- 1.
一种巨型椭圆星系
a type of giant elliptical galaxy
- 2.
一种柔软的蓝白色有延展性和可塑性的有毒二价金属元素；与锌矿共生
a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
- 3.
国际单位制采用的基本光强单位；等于在2,046开尔文温度下每平方厘米黑体辐射的1/60光强
the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin
- 4.
银行发行的债务工具；通常支付利息
a debt instrument issued by a bank; usually pays interest
镉；坎德拉；巨椭圆星系；cD星系；一种巨型椭圆星系；一种柔软的蓝白色有延展性和可塑性的有毒二价金属元素；与锌矿共生
用法In use
I bought a CD of my favorite band yesterday.
用法提示：作为名词，指光盘。
This CD contains classical music from the 18th century.
用法提示：作为名词，作主语。
She put the CD into the player and pressed play.
用法提示：作为名词，作宾语。
a CD
CD是可数名词，可用不定冠词a修饰。
I bought a CD yesterday.
我昨天买了一张CD。
CD + noun
CD可置于另一名词前作定语。
I need a new CD case.
我需要一个新的CD盒。
相关词与表达Connections
搭配Collocations
- CD rate
- 存单利率
- CD rates have climbed since the Fed raised interest rates.自从美联储加息以来，存单利率已经上升。
- CD ladder
- 存单阶梯（把资金分散到不同到期日的存单上）
- She built a CD ladder so that one certificate matures every few months.她搭了一个存单阶梯，这样每隔几个月就有一张存单到期。
- open a CD
- 开立一张存单
- I opened a one-year CD at my local bank.我在当地银行开立了一张一年期存单。
- buy a CD
- 购买存单
- He bought a six-month CD with his bonus.他用奖金买了一张六个月期的存单。
- redeem a CD
学习提示Learner notes
语法说明Grammar Note
通常用作可数名词，如：a CD, two CDs。
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
一起学习词形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.