n.白鲟；白鲸；鲟子酱
He said an angry beluga is apt to attack. 他说一条被激怒的大白鲸很可能会攻击人。
A beluga needs to surface for air about every half mile. 一条白鲸每游半英里就得浮出水面换气。
A beluga whale swims in a tank at the Vancouver Aquarium. 一头大白鲸在北美洲的范库弗峰水族馆里游弋着。
The beluga whale spends most of its life out in the oceans that surround the arctic ice cap. 大白鲸一年中有大半时都躲在北极的冰山之下。
