Severe嚴重 Acute急性的 Respiratory 呼吸的Syndrome并發症. 嚴重急性呼吸系統綜合症

The food levels in the deeper layers of the ocean 在更深層次的海低are greatly reduced，and the energy constraints約束 on the animals are much more severe更加嚴重.

The mistake led to severe problems. South Asia once experienced severe嚴重的 drought幹旱 condition and India had been importing進口 wheat on a large scale規模 from the United States.同義替換：grim形容詞，嚴峻的/grievous形容詞，及其嚴重的/forbidding形容詞，嚴厲的/stark形容詞，嚴酷的/stringent形容詞 嚴格的strict形容詞，嚴謹的

詞形詞形變化

sever形容詞，非常嚴重的-severely形容詞，嚴重的-severity名詞，嚴重，極為惡劣

A file文件 is attached to附有 this email電子郵件.

反義：untie動詞，解開

考試真題：Facing their children's complaints of "nothing to do"孩子們抱怨無事可做，parents were shelling out付款 large numbers of 大量dollars for various forms of entertainment各種形式的娛樂.

Enjoy your entertainment after uphill 艱難的work.

近義詞：amusement名詞，愉悅 delight名詞，愉快 diversion名詞，娛樂 distraction名詞，娛樂 enjoyment名詞，享受 relaxation名詞，娛樂活動

反義詞：bore動詞，使厭煩 bummer名詞，令人不快的事 downer名詞，令人悲傷（沮喪）的情景

詞根詞源：entertain使娛樂 ment名詞後綴，表示行為，行為的過程或結果→entertainment娛樂 前綴：enter在…之間 詞根：tain保留 後綴：ment名詞後綴，表示行為，行為的過程或結果

Amusement parks provide thrills刺激 and entertainment娛樂.

entertain動詞，使快樂，心存 entertainer名詞，藝人 entertaining形容詞，令人愉快的entertainment名詞，娛樂活動entertainment industry名詞短語，娛樂業

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