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[Subject: Biology]
Translated in 30 languages
Translated in 24 languages
Translated in 10 languages
[Subject: Medical Sciences, Medicine]
- the pipe leading down from the mouth and inside the neck
[Subject: Geology, Meteorology, Hydrology]
Translated in 6 languages
[Subject: Mechanics]
Translated in 5 languages
[Subject: Inland Waterway & Ferry Transportation]
Translated in 4 languages
[Subject: Nondomestic Animals & Plants]
[Subject: Athletic & Outdoor Sports & Games]
Translated in 2 languages
[Subject: Military Art & Science]