But it's exactly what is required for polar bears, ring seals, and the snowy-white beluga whales — the highly vocal canaries of the sea.

而那正是北极熊、环纹海豹和海洋高音金丝雀——雪白的白鲸所需求的。

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The first key tactical decision is whether to pass the Canaries to port, starboard or go through the middle of the islands.

第一个关键性战术决策是决定从加那利群岛的左侧、右侧还是从中间穿过。

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Nor is shale gas the only new sort of reserve: "tight gas" in sandstones and coal-bed methane (the sort of gas that used to kill canaries down mines) are also promising.

不是只有页岩气是一种新的储备能源：在砂岩中的“致密地层天然气”还有在煤层里的甲烷(一种能在矿井里杀死金丝鸟的气体)也十分有前景。

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The Canaries manager is set to add another youngster to his squad after offering 18-year-old forward Luke Daley his first professional contract.

BBC: Roeder challenges young Canaries

The Swindon winger signed on loan with the Canaries last week and is expected to join permanently in January.

BBC: Anthony McNamee

But he is unlikely to be risked against the Canaries, despite scoring the deciding goal between the sides the last time they met.

BBC: Ipswich Town dealt Wickham and McAuley injury blow