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aad

/ɑd/ /æd/

Meanings
noun

主动声学设备

Initialism of active acoustic device.; active acoustical device.

Examples :

"The sonar technician carefully calibrated the AAD before deploying it to search for the underwater object. "
声呐技术员在部署主动声学设备搜寻水下目标之前，仔细地校准了它。
technology sound device electronics technical

Related Words

Illustration specialized

specialized verb

/ˈspɛʃəˌlaɪzd/ /ˈspɛʃəˌlaɪzd/

专门化，专业化。

"The chef specialized his menu, separating the vegetarian dishes from the meat dishes. "

厨师专门设计了他的菜单，把素菜和荤菜分开列出。

Illustration underwater

underwater noun

/ˈʌndərˌwɔtər/ /ˈʌndərˌwɑtər/

水下，水底

"The aquifer's underwater supply of fresh water is crucial for the town's water system. "

这个城镇的供水系统依赖于地下含水层的水下淡水储备。

Illustration metabolism

metabolism noun

/mɪˈtab.əl.ɪz.əm/ /məˈtæ.bəlˌɪz.əm/

新陈代谢，代谢作用.

"My grandmother's slow metabolism means she needs to eat smaller portions to maintain a healthy weight. "

我奶奶的新陈代谢比较慢，所以她需要少吃一点才能保持健康的体重。

Illustration calibrated

calibrated verb

/ˈkælɪˌbreɪtɪd/ /ˈkælɪˌbreɪdəd/

校准，校正。

"The lab technician calibrated the microscope before the experiment to ensure accurate measurements. "

实验人员在实验前校准了显微镜，以确保测量结果准确无误。

Illustration carefully

carefully adverb

/ˈkɛːfli/ /ˈkɛɹfli/

小心地，谨慎地，细致地

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

他小心地听着母亲的担忧，为她的失望感到难过。(Tā xiǎoxīn de tīngzhe mǔqīn de dānyōu, wèi tā de shīwàng gǎndào nánguò.)

Illustration technician

technician noun

/tekˈnɪʃən/

技术员，技师

"The computer technician fixed the broken printer in the school library. "

学校图书馆里的电脑技术员修好了那台坏掉的打印机。

Illustration antibiotics

antibiotics noun

/ˌæntibaɪˈɑːtɪks/ /ˌæntibaɪˈɒtɪks/

抗生素，消炎药

"The doctor prescribed antibiotics to help fight the bacterial infection in my throat. "

医生开了抗生素，帮助我对抗喉咙里的细菌感染。

Illustration ammunition

ammunition noun

/ˌæmjuˈnɪʃən/

弹药，军火。

"The army carefully stored the ammunition in a secure vault. "

军队小心地把弹药储存在一个安全的地下金库里。

Illustration associated

associated verb

/əˈsəʊsieɪtɪd/ /əˈsoʊsieɪtɪd/

联合，结盟。

"Our company associated with a local charity to help raise money for their programs. "

我们公司与一家当地慈善机构联合起来，帮助他们筹集项目资金。

Illustration constructed

constructed verb

/kənˈstɹʌktəd/

建造，构建.

"We constructed the radio from spares."

我们用备用零件组装了一台收音机。

Illustration grandfather

grandfather noun

/ˈɡɹæn(d)ˌfɑːðə(r)/ /ˈɡɹæn(d)ˌfɑðɚ/

爷爷，外公

"My grandfather helped me with my math homework. "

我的爷爷帮我做了数学作业。

Illustration initialism

initialism noun

/ɪˈnɪʃəlɪzəm/

首字母缩略词，简称。

"BBC is an initialism for British Broadcasting Corporation."

英国广播公司（British Broadcasting Corporation）的简称“BBC”就是一个首字母缩略词，它的发音是字母一个一个地读出来的。