down time
collocation停机时间
The server had a lot of down time yesterday.
服务器昨天有很多停机时间。
下降的；降低的
先理解核心含义，再看它在真实句子里的用法。
下降的；降低的
At a lower level than before.
After losing his job, he felt very down.
失业后，他感到非常沮丧。
面朝下。
Facing downwards.
比之前低的水平。
At a lower level than before.
生病、受伤或损坏。
Sick, wounded, or damaged:
比分落后于对手。
Having a lower score than an opponent.
The computer system is down for maintenance.
电脑系统因维护而停机。
The stock market is down by 2% today.
今天股市下跌了2%。
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停机时间
The server had a lot of down time yesterday.
服务器昨天有很多停机时间。
经济下行
Many people lose jobs in a down economy.
在经济下行时许多人失业。
低落情绪
He's been in a down mood since the breakup.
自从分手后他一直情绪低落。
下行扶梯
Please use the down escalator to go to the basement.
请使用下行扶梯去地下室。
下降周期
The housing market is in a down cycle.
房地产市场正处于下降周期。
倒霉的日子
I had a down day today; nothing went right.
我今天真是倒霉的一天，什么都不顺。
穷困潦倒
After losing his job and home, he was completely down and out.
失去工作和房子后，他完全穷困潦倒了。
心情沮丧
She's been down in the dumps since her cat ran away.
自从她的猫跑掉后，她一直心情沮丧。
运气不好
He's been down on his luck recently, but he's trying to stay positive.
他最近运气不好，但他在努力保持积极。
我低落，我真的低落。
From The Beatles' 1965 song 'I'm Down', where 'down' means sad or depressed.
来自披头士1965年的歌曲《I'm Down》，歌词中'down'意为悲伤或沮丧。
Use Down naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一个向下的箭头 🔽，表示位置降低或情绪低落，就像down的发音‘当’的一声落地。
用于描述情绪低落，多用于日常对话和非正式写作，比较口语化。
用于描述位置降低、数量减少或情绪低落的状态。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.