4、with prep. 跟，同，和…在一起

I usually play chess with my father.

注意区别与and的用法，and通常用于连接主语或宾语，连接主语时，

如果有I, I通常放在 and 之后，如：

My father and I usually play chess together.

Play with “和…一起玩耍”“玩…”

I often play with my pet dog. Don’t play with water!

5、day和night 是一对反义词，day 表示白天或一天，night表示夜或夜晚。

通常说in the day, during the day, at night。

Koala bears often sleep during the day and eat leaves at night.

6、leaf n. 叶子

复数形式为：leaves, 类似的变化还有：wife—wives, wolf—wolves,

knife—knives，scarf---scarfs(scarves)等。

7、hour n. 小时;点钟 hour前边通常加上冠词an 表示“一个小时”， 即：an hour。

There are 24 hours in a day and 60minutes in an hour.

8、be from 来自… be from = come from

Pandas are from China. = Pandas come form China.

9、meat n. (食用的)肉，为不可数名词，表示“许多”时，使用much来修饰，即：much meat He eats much meat every day.

10、grass n. 草， 为不可数名词，表示“许多”时，使用much来修饰，即：much grass。

There is much grass on the playground.