New words：
pinch[pintʃ]
v.捏；掐；拧；捏住
n.捏；掐；拧；一撮
Sample Sentences：
The new shoes pinched my toes.
The door pinched my finger as it shut.
The child was crying because somebody had pinched her.
He gave her a pinch on the face.
Put a pinch of sugar in the soup.
New words：
goblin ['gɔblin] n. (传说中的)小妖精，丑妖怪
Sample Sentences：
He looked like a goblin in those clothes.
The hero in this fairy story is an ugly goblin.
He held my hand really tight when the goblin jumped out.
New words：
blossom ['blɔsəm]
n.花朵
v.开花
Sample Sentences：
The apple trees are blossoming.
The apple trees are in blossom.
The sunshine will bring out the blossom.
Her daughter is blossoming into a beautiful girl.
New words：
serpent [ˈsɜrpənt] n. 蛇；（尤指）大蛇
cast [kɑ:st] v. 蜕(皮)；脱(壳)；脱落
Sample Sentences：
Serpents cast their skin once a year.
I killed a serpent but my fear's always there.
The peach trees cast all their blossoms after the heavy rain.
blossom ['blɔsəm] n.花朵
New words：
period ['piəriəd] n. 时期；阶段；周期；课时
Sample Sentences：
Which period of history are you studying?
We have three periods of chemistry a week.
This was the most difficult period of his life.
He was on his feet again after such a long period in hospital.