acoustic
acoustic — 形容詞
1. connected with sound, the way sound travels, or the way the human ear picks it u
聲學的
與聲音傳遞或聽覺相關的
connected with sound, the way sound travels, or the way the human ear picks it up.
Bats use acoustic signals to find insects in the dark.
蝙蝠利用聲學訊號在黑暗中找出昆蟲。
attributive: acoustic + noun (signals, waves, sensors)
Engineers tested the acoustic properties of the new concert hall before opening night.
工程師在開幕之夜前測試了新音樂廳的音響效果。
collocation: acoustic properties / qualities
Dr. Lin studies how whales send acoustic messages across hundreds of miles of ocean.
林博士研究鯨魚如何透過聲音訊號跨越上百英里的海洋互相傳訊。
Workers fitted the studio walls with acoustic panels to block street noise.
工人在錄音室牆面裝上吸音板，以阻隔街道噪音。
The new submarine carries advanced acoustic sensors for tracking nearby ships.
這艘新潛艇配備先進的聲納感測器，用來追蹤附近船隻。
文法句型
acoustic + noun
用法筆記
Almost always used before a noun (acoustic guitar, acoustic panel, acoustic signal). Rarely used after a linking verb such as 'be' or 'seem'.
常見錯誤
2. describing a guitar, piano, or similar instrument that produces sound through it
不插電的
樂器靠本身共鳴發聲，未經擴音
describing a guitar, piano, or similar instrument that produces sound through its own body, without plugging into an amplifier.
Jin plays an old acoustic guitar his grandfather gave him.
馬可仕彈著祖父留給他的一把舊木吉他。
collocation: acoustic guitar (most common pairing)
The band switched to acoustic instruments for the quiet final song.
樂團在安靜的最後一首歌改用不插電樂器演奏。
Lena prefers acoustic versions of her favourite rock songs.
蕾娜偏愛她最喜歡的搖滾歌曲的不插電版本。
The cafe hosts an acoustic night every Friday with local singers.
這家咖啡館每週五都舉辦不插電之夜，邀請在地歌手登台。
Ed Sheeran often opens his shows with a short acoustic set.
紅髮艾德常以一段簡短的不插電演出來開場。
- unplugged
informal; usually describes a performance rather than the instrument
文法句型
acoustic + instrument
用法筆記
Distinguish from sense 1: this sense is restricted to musical instruments and performances. If you can swap the noun for 'guitar' or 'concert' and the sentence still makes sense, you are in sense 2.
常見錯誤
acoustic — 名詞
1. (usually plural: acoustics) the way a room, hall, or building shapes the sound o
音響效果
建築或空間對聲音傳播的影響
(usually plural: acoustics) the way a room, hall, or building shapes the sound of voices and music inside it.
The acoustics of the old church make every whisper carry to the back row.
這座老教堂的音響效果讓每一句耳語都能傳到最後一排。
pattern: the acoustics of + place
Carnegie Hall is famous for its warm and balanced acoustics.
卡內基音樂廳以溫暖而平衡的音響效果聞名。
collocation: warm / good / poor acoustics
The architect added wooden panels to improve the acoustics of the new theatre.
建築師加裝了木質板材，以改善這座新劇院的音響效果。
The school gym has terrible acoustics, so speeches turn into echoes.
學校體育館的音響效果很差，演講聲都變成了回音。
- sound quality
broader; can describe recordings or speakers, not just rooms
文法句型
the acoustics of + place
用法筆記
Almost always plural in this sense ('acoustics'), even though the headword looks singular. The singular 'an acoustic' is not used; for the science, use 'acoustics' as a singular-verb noun: 'Acoustics is a branch of physics.'