翻译和例句：
飞机的窗户为什么是椭圆形的？飞机的窗户为什么是椭圆形的？Most windows have four corners. These corners feel a lot of pressure (压力) when planes go higher and higher. The windows can easily break. But oval (椭圆 ……
图形大集合难度：较易triangle 三角形 rectangle 长方形 square 正方形 heart 心形 star 星形circle 圆形oval 椭圆形diamond 菱形What shape is the clock? 那个钟是什么形状的？It’s a circle. 圆形。 ……
摘自： Shapes[21ST, 21世纪学生英文报·小学生版]
Riders race against each other on a closed, banked (堤状的) circuit (赛道).The gear (装备)Helmet (头盔)Jersey (运动服)Track mitts (手套)The track (赛道)250 meters long, oval shape (椭圆形).The bikeMade from strong ……
Riders race against each other on a closed, banked (堤状的) circuit (赛道).The gear (装备)Helmet (头盔)Jersey (运动服)Track mitts (手套)The track (赛道)250 meters long, oval shape (椭圆形).The bikeMade from strong ……
Riders race against each other on a closed, banked (堤状的) circuit (赛道).The gear (装备)Helmet (头盔)Jersey (运动服)Track mitts (手套)The track (赛道)250 meters long, oval shape (椭圆形).The bikeMade from strong ……
QIANTUQIANTU为什么田径跑道是椭圆形的？为什么田径跑道是椭圆形的？A running track has two straight lines and two curves (曲线... designed running tracks to be oval-shaped (椭圆形).The first modern Olympic Games were held in Athens ……
Hemisphere and away in the winter – dictates climate.---------------------------------------elliptical: 椭圆 ……
线Pursuit bike 追逐自行车The track (赛道)250 meters long, oval shape (椭圆形).Blue resting area 放松道200m line200米计 ……
long, oval shape (椭圆形).Standard bike 标准自行车Finish line 终点线Pursuit bike 追逐自行车Blue resting area 放松道200m ……
THE US presidents (总统) live in the White House. They work in the Oval Office (椭圆形办公室). What is in the Oval Office? Let's have a look.There are two flags (旗子) behind the President's desk. One ……
总统办公室The US presidents live in the White House (白宫). They work in the Oval Office (椭圆办公室). Look, here is Barack Obama going into the office for his first full day as president. What’s in the Oval ……
) ● Ruler● PencilHow to make one:1. Paint a white oval (椭圆形) on one side of the clothespin.2. When ……
is getting smaller. It was an oval (椭圆) before. But now it is a circle. Its color also becomes darker ……
and in different colours.5. Cut a small light brownoval(椭圆) for the turkey's head, a tanbeak(嘴) and a redwattle ……
needs two teams of 11 players. People usually play on a large grassoval(椭圆形场地). The game hascomplex ……
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