Psychoactive substances are commonly grouped toare stimulants, depressant, or hallucinogens.

A pour point depressant ( PPD ) for improving the cold fluidity of diesel oils was studied.

摘要对柴油降凝剂进行了研究,降凝剂为苯乙烯、顺丁烯二酸酐及正十八胺三元共聚物.

The transport capacity can be increased by adding depressant in waxy crude oil to be delivered.

在含蜡原油的输送中,添加降凝剂可提高输送能力,节约能源.

Pour depressant OEAM, is a copolymer of maleic anhydride and mixed hexadecyl propionate and octadecyl propionate.

原油降凝剂(OEAM)是丙烯酸正十六醇和正十八醇混合酯与马来酸酐的共聚物.

Warm winds make many people feel enervated and depressed.

暖风让很多人觉得乏力沮丧。

I am feeling very depressed.

我觉得非常沮丧。

He was feeling guilty and depressed, repentant and scared.

他感到内疚、沮丧、后悔和害怕。

An anxious or depressed person can experience a really bad trip.

焦虑或抑郁的人吸毒后可能会有非常糟糕的幻觉。

I was depressed, withdrawn and sexually frigid.

我郁郁寡欢, 离群索居,没有什么性要求.

He was so depressed about his debts that he wanted to blow his brains out.

他为债务烦恼不已,恨不得一枪把自己结果了.

The novel left him feeling depressed.

(读完)这本小说使得他无精打采.

Drinking may make a person feel relaxed and happy, or it may make her hostile, violent, or depressed.

喝酒可能让人感到放松和愉快，也可能让人变得不友善、暴力或阴郁。

His mother was depressed by the sad news.

这个坏消息使他的母亲意志消沉.

The illness left her feeling listless and depressed.

那场病使她感到虚弱无力，提不起精神。

Business was rather depressed after war.

战后商业相当不景气.

Sometimes patients are more depressed six months later than when they first hear the bad news.

有时，病人6个月后比最初听到坏消息时情绪更低落。

He looked depressed, even suicidal.

他看上去很沮丧, 甚至于沮丧到想自杀.

When he was depressed, he felt utterly divorced from reality.

他心情沮丧时就感到完全脱离了现实.

She's been very depressed recently, but I'm sure she'll soon pull out of it.

她近来一直很抑郁, 但我相信不久她就会振作起来的.

The center tramway portion depresses below the roadway elevation.

中间电车道落低到车行道以下.

Wet weather always depresses her.

雨天总使她愁苦.