It may worsen the nourishment problem in low-income countries.

这可能会使低收入国家的营养问题恶化。

They arrive at the class in low spirits and they leave with a smile.

他们无精打采地来到教室，却微笑着离开。

He was in low spirits.

他情绪低落。

They were climbing a steep hill in low gear.

他们正以低速挡爬一个陡峭的山坡。

Make good or bad weather of it, referring to a ship in a storm.] Under the weather informal slightly unwell or in low spirits.

〈非正式〉不舒服的;情绪低落的。

You seem to have been in low spirits these days.

这两天你看上去有些塌秧。

She sat there in low spirits, staring into the distance.

她失神地坐在那里，望着远方。

The old man was in low spirits and laden with anxiety.

老人闷闷不乐，忧心忡忡。

He has been in low spirits these days because of this.

他这些天一直在为此事闹情绪。

Water flows to a lower level. / Water gathers in low places.

水向低处流动。