New Words：

coral ['kɔrəl] n. 珊瑚
reef [ri:f] n. 礁；暗礁

Sample Sentences：

Coral is often used for making jewellery.
The Xisha Islands are formed of coral reefs.
The pilot guided us through the dangerous reefs.
It is reported that the coral reefs are being destroyed.

pilot ['pailət] n.飞行员；领航员；引航员

New Words：

muddle ['mʌdl]
n.混乱；糊涂；困惑；茫然
v.混淆；弄乱；搅混；使困惑

muddle up 混淆；弄乱；弄错

Sample Sentences：

They look so alike, I always get them muddled up .
Stop talking, or you'll muddle me (up) completely.
I muddled (up) the dates and arrived three days late.

When mother came home, she found the house in a muddle.
Can you start from the beginning again─I'm in a muddle .

New Words：

proper ['prɔpə] adj. 适当的；正确的；恰当的；真正的
properly ['prɔpəli] adv. 适当地；正确地；恰当地；得体地

Sample Sentences：

Eat some proper food, not just toast and jam!
Hard work and proper ways will lead you to success.

Make sure the letter is properly addressed.
I'm learning German, but I still can't speak it properly.

New Words：

greet [gri:t] v. 迎接；欢迎；和（某人）打招呼（或问好）；对…作出反应

Sample Sentences：

She greeted her guests at the door.
His speech was greeted by loud cheers.
I greet you in the name of the President.
He made his way through the crowd to greet us.

New Words：

peer [piə]
n.同龄人；同辈；身份(或地位)相同的人
v.凝视；仔细看；端详

peer at 凝视；细看；盯着看

Sample Sentences：

He peered at the label on the bottle.
He went to the window and peered out.
She peered at the neighbors from behind the curtain.
She peers through the mist, trying to find the right path.
Children are worried about failing in front of their peers.