孩子们兴奋地看着海豹在冰面上晒太阳。

The children watched excitedly as the ___seal sunbathed on the ice.

这份合同上有公司的公章。

This contract carries the company's official ___seal.

请确保在放入食物后密封好容器。

Make sure to ___seal the container properly after putting in the food.

冰箱门上的橡胶密封条可以防止冷气泄漏。

The rubber ___seal on the fridge door prevents cold air from leaking out.

签署这份合同意味着交易正式达成。

Signing this contract ___sealed the deal officially.