一、詳細釋義：

adj.

災(zāi)難性的，損失慘重的；悲慘的

例句：

Destruction of habitats, disastrous environmental and climatic changes can reduce an animal population.

生存地的破壞，環(huán)境和氣候災(zāi)難性的變化會造成某種動物的減少。

例句：

When money is in short supply many businesses fail.

該公司的財政事務(wù)處于一種災(zāi)難性的狀況，隨時可能破產(chǎn)。

二、詞義辨析：

unhappy,unfortunate,unlucky,disastrous

這些形容詞均有“不幸的”之意。 unhappy多用于表示心理狀態(tài)，指由于不滿意或遇到一般性倒霉事而感到不愉快。 unfortunate語氣較強，多指因命運不佳，意外不幸或事業(yè)失敗、生活處于困境等而感到不幸。 unlucky指因缺少或一時無機遇，雖作了努力，但事不從心，感到失意。 disastrous著重不可避免和后果嚴重。

三、參考例句：

Divorce often has disastrous consequences.

離婚往往具有災(zāi)難性的后果?！綜ET-4 2008.06 閱讀】

Otherwise, you will usher in disastrous consequences.

否則, 你將會迎來不堪設(shè)想的后果。

Her investment had disastrous consequences: she lost everything she owned.

她的投資結(jié)果很慘，血本無歸。

His intemperate ambition will bring him disastrous failure.

他過度的野心會給他帶來災(zāi)難性的失敗。

The new system has had a disastrous effect on productivity.

新制度已對生產(chǎn)力造成了災(zāi)難性的影響。

The new system had a disastrous effect on productivity.

這項新制度對生產(chǎn)力造成了很壞的影響。

Her investment had disastrous consequences, she lost everything she owned.

她的投資結(jié)果很慘，血本無歸。

Environmental pollution can trigger a lot of disastrous results.

環(huán)境污染可以導(dǎo)致許多災(zāi)難性后果。

This had been a disastrous week for the prime minister.

這對于首相來說是災(zāi)難性的一周。

The?effect?on coffee prices has been disastrous for the producers.

對咖啡價格的影響對生產(chǎn)商而言是災(zāi)難性的。