好词典

invertebrate

UK //ɪnˈvɜː.tɪ.brət//US //ɪnˈvɝː.t̬ə.brət//

词源

源自拉丁语 'in-'(无) + 'vertebra'(脊椎),19世纪中期进入英语。

noun

❶ 无脊椎动物,指没有脊柱的动物,包括昆虫、软体动物、甲壳类等,占动物种类的绝大多数。

“Earthworms are common invertebrates found in soil.”

(蚯蚓是土壤中常见的无脊椎动物。)

“The museum has a special exhibit on marine invertebrates.”

(博物馆有一个关于海洋无脊椎动物的特别展览。)

同义词:spineless animal, arthropod, mollusk

adjective

❶ 形容无脊椎的,或比喻人软弱无主见、缺乏骨气的状态。

“Jellyfish are invertebrate creatures that drift with ocean currents.”

(水母是随洋流漂流的无脊椎生物。)

“His invertebrate response to criticism disappointed his supporters.”

(他对批评的软弱回应让支持者失望。)

同义词:spineless, weak-willed, indecisive

常见短语

marine invertebrate — 指生活在海洋环境中的无脊椎生物,如珊瑚、海星、章鱼等。

“The tide pool was teeming with colorful marine invertebrates.”

(潮池里充满了色彩斑斓的海洋无脊椎生物。)