In a recent Behind the Shell video with Carson Daly, CEO Dennis Crowley promised to make this a part of foursquare.

在最近一期Behind the Shell视频中和Carson Daly进行访谈的首席执行官Dennis Crowley承诺将在fours quare中加入这一功能。

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The empty shell of a snail or clam may be left behind, and if it is sufficiently durable and resistant to dissolution, it may remain basically unchanged for a long period of time.

蜗牛或蛤蜊的空壳可能会被留下来，如果足够持久和抗溶解，它可能会在很长一段时间内基本保持不变。

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The consortium behind it, comprising Scottish Power, National Grid and Shell, says its engineering design shows CCS is now technically feasible.

它身后的由苏格兰电力、国家电网和壳牌公司的组成财团认为项目的工程设计显示CCS在技术上是可行的。

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And you've got the Shell Tower behind you,

你身后就是壳牌塔，

关于伦敦眼的回忆 - SpeakingMax英语口语达人

But after a few weeks, the Persian caravan packed up, leaving behind gifts of toasted Iranian pistachios in the shell, chewy gaz nougat and blue-and-gold tins of caviar lettered in flowing Persian script.

WSJ: A Journey to Iran, by Way of the Kitchen

At Peterhead, Shell and SSE are behind the plans.

BBC: Shell and SSE want to develop carbon capture at Peterhead