She is a butterfly.

It is a very pretty butterfly, with a 2 inch wing span.

这是一只非常美丽的蝴蝶，翼展2英寸。

She wore butterfly glasses and had a beehive hairdo.

她戴着一副蝶形眼镜，顶着一头蜂窝式发型。

the metamorphosis of a caterpillar into a butterfly

从毛毛虫到蝴蝶的蜕变

The caterpillar will eventually metamorphose into a butterfly.

毛毛虫最终将蜕变成一只蝴蝶。

the life cycle of the butterfly

蝴蝶的生活周期

She's like a butterfly. She flits in and out of people's lives.

她像一只蝴蝶，每天在人前人后飞来飞去。

I am very good at swimming , for I can do butterfly stroke and backstroke.

而且能有的很好.我会蝶泳,仰泳.

Daniel: OK, Mom. Can I swim now? I want to learn butterfly stroke.

丹尼尔: 好的, 妈妈, 我现在能游了 吗 ?我想学蝶泳.

Verdant wave a wave swept through a wave of whipped butterfly, butterfly stroke, I will secretly.

嫩绿的波一浪吹过一浪,蝴蝶翻飞, 蝴蝶会偷偷的抚摸我.

The butterfly-stroke has got to be the hardest.

蝶泳一定是最难(游)的.

The butterfly-stroke makes me tired very quickly.

游蝶泳使我很快就觉得累了.

What are the elements of the butterfly stroke?

蝶泳的泳姿动作要领是 什么 ?

But she wants to learn butterfly stroke.

可她想学蝶泳.

She'll swim the races of breaststroke and butterfly stroke.

她将参加蛙泳和蝶泳的比赛.

You need to use your back muscles to swim the butterfly-stroke.

你必须用你背部的肌肉来游蝶泳.

Swimming is divided into breaststroke, freestyle, backstroke, and butterfly stroke.

游泳分为蛙泳, 自由泳, 仰泳, 蝶泳.

The butterfly stroke had not accepted as a formal event until 1958.

蝶泳被列入正式比赛项目是在1958年.

Two Chinese women swimmers have already entered the 100-metre butterfly stroke finals.

已经有两位中国女选手取得了100米蝶游的决赛权.

Baumann 25000 Butterfly control valve is a low torque and low noise butterfly valve.

鲍曼25000蝶阀控制阀是一种低扭矩,低噪音蝶阀.

Hsieh Yu butterfly valve is designed for installation with square screw, nut and washer.

协羽的蝶阀安装设计是使用方形螺丝, 螺母及华司所组成.