lighten; thunder; frost; defrost

49'

1.lighten (vt)
①减轻，减少(工作量、担忧、债务等)【反义词increase】
We should hire another secretary to lighten Barbara's workload.
我们应该再请一位秘书，减轻芭芭拉的工作量。

114'

②(使)变亮，(使)明亮【反义词darken】
The sky began to lighten.
天空开始变得明亮。
lighten the darkness of the basement
照亮黑暗的地下室
③(使)变得轻松
lighten the conversation
使谈话变得轻松
His heart lightened after he had silved the problem.
解决问题后，他的心情变得轻松了。
④(脸部或表情)变得高兴，露出喜色
Her face lightened at the sight of her friend.
一看到朋友她便面露喜色。
⑤(使)变轻
They lighten the ship.他们减少了船的载重。
【短语】lighten up [spoken]别那么严肃，放松点

143'

2.thunder (n)
①雷，雷声 Lightning is usually accompanied by thunder.闪电总与雷鸣相伴。
②轰隆声 We could hear the thunder of distant canons.我们可以听到远处大炮的轰隆声。
(vi.)①to produce thunder 打雷 My little dog always hides under the bed when it thunders.我的小狗🐶一听到打雷就躲到床底下。
②发出轰隆声 The huge aircraft thundered along the runway.那架巨大的飞机沿着跑到滑行，发出隆隆声。
(vt)大声喊 "Get out! " he thundered. "滚出去"他大声吼道。
【派生】thunderous (adj) 雷鸣般的，声音很大的

122'

3.frost
(n) 霜冻，霜
The young shoots on the trees have been damaged by a late frost.
一场晚霜冻坏了书上的嫩芽。
(vi) 结霜
Do your windows frost up in the wintertime?你的窗户是不是冬天到了就要结霜？
(vt) to cover with frost 结霜于
The cold has frosted the windows?寒冷的天气使窗上结满了霜。

☞★天气小归类
thunder 雷 lightning 闪电⚡
snow 雪 storm暴风雪
frost 霜 hail冰雹，雹
fog 浓雾 mist薄雾

95'

4.defrost
(vi) 解冻
Don't let the meat defrost too quickly.
不要让肉解冻得太快。
(vt) ①to warm sth. that is frozen until it is no longer frozen 使解冻
defrost the frozen meat and fish for lunch
使冰冻猪肉和鱼解冻以备午餐之用
②to remove ice or frost from 给(冰箱等)除霜
We need to defrost the freezer
我们需要给冷冻室除霜

今天节目就到这里啦，期待我们下次再见！See you next time.

送你一只Cute bunny😉