4 sentences

1. 把剩菜放进冰箱。

   bǎ shèng​cài fàng jìn bīng​xiāng.

   Put the leftovers in the fridge.

   Source: AI Challenger 2017

2. 健康检查：什么时候应该扔掉剩菜？

   jiàn​kāng​jiǎn​chá: shén​me​shí​hou yīng​gāi rēng diào shèng​cài?

   Health Check: when should you throw away leftovers?

   Source: CCMatrix

3. 我们用剩菜剩饭匆匆凑合了一顿饭。

   wǒ​men yòng shèng​cài shèng​fàn cōng​cōng còu​he le yī​dùn fàn.

   We threw together a meal out of leftovers.

   Source: AI Challenger 2017

4. 在两小时内将剩菜冷藏起来，以防止细菌在食物上生长。

   zài liǎng xiǎo​shí nèi jiāng shèng​cài lěng​cáng qǐ lai, yǐ fáng​zhǐ xì​jūn zài shí​wù shang shēng​zhǎng.

   Be sure to refrigerate leftovers within two hours to prevent bacteria from growing on food.

   Source: CCMatrix