New Words：
low [ləʊ] adj. 低的;矮的;离地面近的;在底部的;近底部的
upper lip 上嘴唇
lower lip 下嘴唇
Sample Sentences：
The sun is low in the sky.
The island can only be reached at low tide.
At a low temperature, water turns into ice.
She said in such a low voice that I couldn't hear.
The truck is not low enough to go under the bridge.
New Words：
ever [ˈevər] 曾经
restaurant [ˈrestrɒnt] n.餐馆;餐厅
Sample Sentences：
Did you ever meet him when you were in London?
Have you ever helped someone you did not know?
Did he ever talk to you about what happened that day?
The restaurant is not far from here.
How was your dinner last night? Was it a good restaurant?
New Words：
metre [ˈmiːtər] n. 米
Sample Sentences：
It's only a low wall ─ about a metre high.
The box is one metre wide and two metres deep.
New Words：
tyre [ˈtaɪər] n. 轮胎
rock [rɒk] n. 岩石;石山;礁石;巨石块;岩块
stamp [stæmp] n.邮票;. v.跺(脚);重踩;重踏
Sample Sentences：
Who let the air out of my tyre?
Let's take the tyre off the wheel.
The ship hit a rock and went down.
The rope broke and she fell 50 metres onto the rocks.
He stamped on the spider.
If you're happy, stamp your feet.
Is the stamp used for sending letters?
Please buy me a stamp when you are at the post office.
metre [ˈmiːtər] 米
New Words：
post [poʊst] v. 邮寄;寄;把(信件等)投入邮筒;投递
postcard [ˈpəʊstkɑːd] n. 明信片
post office 邮局
Sample Sentences：
Could you post this letter for me?
I'll post the letter when I go out.
Do you need to post them, or just email them to you?
"Will you post this letter for me?" " No, it's too cold to go out."
Please send me a postcard from Paris.
Where do I write the address on this postcard?
You can buy your stamps at the post office.