Other bears have also gathered at the edge of the surf.其他的熊也在海岸聚集

at the edge of在…的边缘

The park lies at the edge of the town.

公园位于镇边上。

The park lies at the edge of the town.

公园位于镇边上。

They've come here to fatten up for the winter.它们来这里为冬季储备脂肪

fatten up养肥

She thinks I need fattening up a bit.

她认为我应该再长胖一点。

These pigs are fattening up well.

这些猪长膘情况良好。

They're waiting for an event that happens just once a year.它们正在等候一年一度的盛事

wait for等候； 等待

Please wait for me at the bus terminal.

请在公共汽车终点站等我。

She has impatience to wait for the bus.

她没有耐心等公共汽车到来。

once a year一年一次

The farmers here sow once a year.

这里的农民一年播一次种子。

We resolved to visit Europe at least once a year.

我们决定至少每年访问欧洲一次。