He now called a varrable quantity a fluent and its rate of change , the fluxion.

Need not the full-time preservation member , from the fluxion public security and tubes.

三、无须 专职 保管员, 由流动保安兼管.

Birds can fly with their wings.

鸟能用翅膀飞行.

He is a fly on the wheel.

他是个狂妄自大的人.

They are not afraid to tackle the issues or let the sparks fly when necessary.

他们不怕应对这些问题，也不怕必要时来一番激烈的争论。

The enemy airmen kicked up at the orders to fly more missions.

敌方飞行员开始对执行更多飞行任务的命令表示不服.

If you were a bird, you could fly.

假使你是只鸟, 你便会飞了.

Magda was going to fly standby.

马格达将购买起飞前的廉价剩余机票旅行。

The model glider looks fine, although the only way we can really put it to the test is to see if it will fly.

滑翔机模型看上去很好, 但是真正能检验它的唯一办法是看它是否能飞.

We will fly a kite on our new product.

我们将试探有关我们新产品的舆论.

I can fly a kite on a windy day.

我们在刮风的日子里放风筝。

No, I will not fly a kite. I might hit a tree!

不, 我不会去放风筝. 我可能会撞树的.

I like spring. I can fly a kite in spring.

我喜欢春天. 我可以在春天放风筝.

But one ago, she couldn't fly a kite at all.

但一年前她根本不会放风筝.

He wants to fly a kite with his brother.

他想和他哥哥一起去放风筝.

Park a place where you can fly a kite.

公园是个你可以放风筝的地方.

It's cool and windy. You can fly a kite.

天气凉爽多风. 你可以放风筝.

Can Jenny fly a kite? Yes! Jenny is having fun.

詹妮会放风筝 吗 ?是的! 詹妮玩得正开心.

I want to fly a kite in the park.

我想去公园放风筝.

I can fly a kite. I can fly a kite.

我会放风筝. 我会放风筝.

Grass is also a child fly a kite, how sweet clear laughter!

小孩儿也在草上放风筝, 清脆的笑声多么悦耳!