New Words：

bell [bel] n. 铃（声）；钟（声）；钟状物；电铃（声）

Sample Sentences：

Ring the bell to see if they're in.
Hearing the bell, we raced to the class.
A loud bell waked me from a deep sleep.
The young monk clangs the bell every morning.

monk [mʌŋk] n. 和尚；僧侣；修道士
clang [klæŋ] v.（使）发出铿锵声；（使）叮当作响

New Words：

jellyfish ['dʒelifiʃ] n.水母；海蜇
thumbnail ['θʌmneil] n. 拇指甲

Sample Sentences：

You can get a nasty sting from a jellyfish.
The smallest jellyfish may only reach about the size of your thumbnail.

New Words：

submarine ['sʌbməri:n]
n.潜水艇
adj.水下的；海底的

Sample Sentences：

The submarines surfaced.
The submarine rose to the surface.
Why can a submarine float and sink?
Submarine earthquakes often happen in ocean.

New Words：

sentence ['sentəns]
n.句子；判决；判刑；宣判
v.判决；判刑；宣判

Sample Sentences：

The judge passed sentence.
The judge will pronounce sentence today.
The man was sentenced to three years in prison.
A sentence usually contains a subject and a verb.

New Words：

pronounced [prə'naunst]
v.“pronounce”的过去分词和过去式
adj.显著的；很明显的；表达明确的

pronunciation [prə.nʌnsi'eiʃən] n.发音, 读音

Sample Sentences：

I'm a man of pronounced views.
She pronounced herself satisfied with the results.
The two words are spelled differently, but pronounced the same.

You need to work on your pronunciation a bit more.
You should look up the right pronunciation of this word in the dictionary.