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1·My mood gradually lightened.

我的心情渐渐好起来。《牛津词典》

2·As they approached the outskirts of the city, Ella's mood visibly lightened.

随着他们越来越接近市郊，埃拉的心情明显变得轻松了。《柯林斯英汉双解大词典》

3·The slow days drifted on, and each left behind it a slightly lightened weight of apprehension.

缓慢的日子一天天过去，每过去一天，心头的忧虑就稍稍减轻一点。

4·Their burden lightened every day.

他们的负担一天天减轻。

5·The moon lightened the courtyard.

月亮照得院子里挺明快。

6·A shooting star lightened the sky.

一颗流星急速掠过天空。

7·The torch lightened the whole cave.

火把照亮了整个山洞。

8·If you feel lightened, it was an angel.

你若感到宽心，那就是天使。

9·Diana's heart lightened when she heard it.

听到这，黛安娜的心轻松了。

10·Her mood lightened.

她情绪好起来了。

减轻

1·Most of the cannons and other heavy articles were thrown overboard, and, the ship being thus lightened, they tried to float her off at daybreak.

为减轻船的重量，大部分火炮和较重的日用品不得不被扔到船外，但并未能让船能在天亮时浮起来。

2·They wish me a good afternoon, and imagine they have lightened my solitary state.

他们祝愿我度过一个好的下午，想像他们能够减轻我的孤独。

3·He pulled the lightened sled with all his strength.

他用尽全力拉减轻了重量的雪橇。

4·The three floors are linked within a flexible volume, lightened by a punctually perforated immaculate wall panel.

三个楼层灵活地联系在一起，由一个准确有孔洞的洁净的墙板减轻重量。

5·During operation period, negative impact on water-environment could be slight and lightened by adopting some environmental protection measures.

运营期影响程度较小，通过采取环保措施，对水环境产生的不利影响可以得到减轻或消除。

减轻了

1·Living abroad has largely lightened my attachment to places and things and made me realize how much it is the people that matter.

异国生活在很大程度上减轻了我对地方和事物的依恋，让我明白没有什么比“人”更重要。

2·McGrady said Adelman has already lightened his workload in practice, allowing the guard to watch most of the workouts and save himself for the game.

麦蒂说阿德尔曼已经在训练中减轻了他的负荷，允许他在球场观看队友训练，为比赛节省体力。

3·The burden of self is lightened when I laugh at myself.

我取笑自己时自我的负担就减轻了。

4·This is because they were created from styled and lightened text with a touch of 3d effect.

这是因为他们创造的风格，减轻了三维效果接触文字。

(1)lighten up放松，不要生气