管理者与石油公司将从深水地平线号的悲剧，吸取有益的经验。 而且，必将提高安全保障水平。
Both regulators and oil firms will learn useful lessons from the Deepwater Horizon fiasco, and safety will surely improve as a result.
如果我们拍摄的画面中除了天空，还有一些其它的元素(如城市景观)，使地平线保持水平非常重要。
When shooting a scene that includes not just the sky but also other elements like a cityscape, keeping the horizon line straight is particularly important.
把小船放在一个相交点上，同时把地平线放在靠近一条水平线的位置。
Place the boat on one of the intersections and also position the horizon near one of the horizontal lines.
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