New words：

breakthrough [ˈbreɪkθruː] n. 重大进展，突破；

Sample Sentences：

A breakthrough is an important development or achievement.
Scientists are claiming a major breakthrough in the fight against cancer.

New words：

scenery [ˈsiːnəri] n. 风景；景色；风光；舞台布景

易混词辨析​​

​​scene vs. scenery​​

scene强调具体场景或事件（如戏剧一场），scenery侧重自然或整体风景。

​​scene vs. view​​

scene包含动态元素（如人物活动），view多指静态远景。

Sample Sentences：

The area is remarkable for its scenery.
We stopped on the mountain pass to admire the scenery.
You'll see more beautiful scenery from the top of the hills.

New words：

grill [ɡril]
v.烤；盘问；审问
n.烧烤架

Sample Sentences：

Grill the meat for 20 minutes each side.
They grilled her about where she had been all night.

Put it under the grill for a minute to brown the top.
Place under a hot grill until the nuts have toasted.

New words：

mutton [ˈmʌt(ə)n] n. 羊肉
physical education = PE n.〔体〕体育教学

Sample Sentences：

I'll grill you some mutton.
This mutton has got a strong smell.
Physical education is the school subject in which children do physical exercises or take part in physical games and sports.

grill [ɡril] v.烤

New words：

energetic [ˌenərˈdʒetɪk] adj. 精力充沛的；充满活力的；积极的
get tired of 厌烦；对……厌烦；对……感到厌倦

Sample Sentences：

I get tired of eating the same breakfast every day.
He is the oldest , but most energetic of my colleagues.
My little sister is always energetic—she never gets tired of playing.