"Translation-Dictionary.net" is the most comprehensive free online dictionary available on the web. It well exceeds regular dictioanries in terms of vocabulary coverage and it translates hundreds of thousands of words, phrases, and sentences between multiple languages. It includes translations for a wide varierty of domains such as proper names, technical terminologies, movie titles, etc. It also offers pronunciation, related terms, synonyms, spelling correction, and example sentences.

海底地震仪 sea seismograph

海底山 seamount

海底峡谷 submarine canyon

海底峰 seapeak

海底平原 sea-bottom plain

海底开发技术 ocean floor exploration tech...

海底捞月 try to fish out the moon fro...

海底捞月一场空 be as futile as fishing

海底捞针 dredge for a needle in the s...

海底探测船 habitat

海底摄影器 benthograph

海底断裂带 submarine fracture zone

海底沉积物 bottom sediment

海底油库 submerged tank

海底油田 offshore oilfield

海底油管输送 offshore oil delivery

海底测图 submarine mapping

海底测量 ocean floor topographic surv...

海底漫游动物 vagil-benthon

海底火山 submarine volcano

海底爆破 seabed blasting

海底生物 benthon

海底电报 submarine telegraph

海底电报线路 submarine telegraph line

海底电缆 marine cable

海底电话电缆 submarine telephone cable

海底石油开发 submarine oil exploitation

海底矿床 undersea mineral deposit

海底管线 submerged pipeline

海底裂谷 submarine rift

海底谷 seavalley

海底资源 seabed resources

海底通信电缆 submarine communication cabl...

海底采掘 ocean-mine

海底采样 seafloor sampling

海底采煤 undersea mining

海底采矿 submarine mine

海底采矿设备 ocean floor mining equipment

海底钻探 offshore boring

海底隧道 submarine tunnel

海底高原 plateau

海底高地 seahigh

海怪 sea monster

海成作用 thalassogenesis

海成湖 marine lake

海战 sea warfare

海扇 sea fan

海扇壳 pectinite

海扇科 Pectinidae

海报 playbill

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