Test to see if the finish is tacky, and if it is, leave it to harden.

测试一下看看最后一道漆是否还发黏，如果是的话，那就放着让它变硬。

《柯林斯英汉双解大词典》

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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Because most of the planet's glaciers are in the northern hemisphere, and if it gets too warm, then glaciers will stop forming.

因为地球上大部分的冰川都在北半球，如果温度过高，冰川就会停止形成。

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It was already eight o'clock and Sylvie wondered if her grandmother would be angry with her for being so late.

VOA: special.2010.04.03

And if it's greater than zero, then the process goes the other way.

如果大于零，那么过程就会向着另一个方向进行。

麻省理工公开课 - 热力学与动力学课程节选

If you're having breakfast and it's delicious but it would be perfect if you had it with tea.

假设你在吃早饭，你觉得很美味，如果有杯茶的话，那就完美了。

I want to 课堂 - SpeakingMax英语口语达人

And it's sweet and if it's made correctly, it's very high in fat content.

NPR: The LeeVees, Rocking Hanukkah

And if it's clear he's screwed up, Peleg says Perlmutter will take the blame.

FORBES: Magazine Article

And if it's more well known, then employers won't be able to use these tactics anymore.

NPR: Guatemalan Immigrants Sue over Job Switch