New words：
litter [ˈlɪtər]
v.乱扔；使乱七八糟；使凌乱；使遍布
n.垃圾；废弃物；乱七八糟的东西；乱放的杂物
Sample Sentences：
The streets were full of litter.
There were piles of litter in the streets.
The streets were littered with rubbish.
He littered the yard with bottles and cans.
New words：
ice-lolly ['lɔli] n.冰棍；冰棒
popsicle ['pɔpsikəl] n. 冰棒；冰棍
ice candy n. 冰棒
Sample Sentences：
In England a popsicle is called an ice lolly.
I like to eat ice lolly, ice-cream and water ice.
New words：
oar [ɔ:r]
n.桨；船桨
v.划行
oarsman [ˈɔrzmən] n. 桨手；划桨人
Sample Sentences：
In dragon boat rowing each person has one oar.
He pulled on the oars to make the boat go faster.
They oared strongly across the finish line.
He oared himself to the other side of the big river.
The oarsman found that the he had to pull against the tide.
New words：
rowboat ['rəubəut] n. 划艇；小船
rowing boat [ˈrəʊɪŋ bəʊt] n. 划艇
Sample Sentences：
He uses a rowboat to go fishing on the lake.
He climbed into the rowing boat and took the oars.
They rented a rowboat and spent the afternoon on the lake.
oar [ɔ:r]n. 桨；船桨
New words：
row [rəu,rau]
n.一行;一排;一列
v.划船;划船送
Sample Sentences：
He rowed the boat across the lake.
The fisherman rowed us back to the shore.
Students stand hand in hand in a row.
A row of children are standing in front of a row of chairs.