the odds are stacking up against these little turtles.那些小海龟的存活几率在上升

stack up堆积

How much do all these figures stack up to?

这些数字的总和是多少？

Our firm is stacking up pretty well these days.

我们公司目前情况相当不错。

相关短语：stack up to加起来共计

This library can stack up to seven high.

这座图书馆有七层高。

Grazing by turtles is essential for the health of the beds of seagrass食草的海龟对保持海草床健康必不可少

essential for对 ... 是必不可少的

This is essential for our mutual benefit.

这对我们的共同利益是必要的。

Lifelong learning is essential for employability.

终生学习对于增加就业能力是必需的。