English ⇄ Russian

wide vaulted opening at the lower part of a glacier tongue out of which melt water, derived from subglacial melting stresses
Makarov.	туннель во льду придонной части ледникового языка, по которому идёт сток талых вод, возникающих от подлёдного таяния

wide vaulted opening at the lower part of a glacier tongue out of which melt water, derived from subglacial melting: 2 phrases in 1 subject

Makarov

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