Sometimes the craft is heavier than air, and sometimes lighter.

有时飞行器比空气重, 有时轻。

This mode will swap jogging in place with lighter knee bends.

该模式允许您用轻微的膝盖弯曲代替原地慢跑。

He says the new lighter and stronger composites could build solar panels or even structural systems.

他说，新的更轻更坚固的复材料可以建造太阳能电池板，甚至是结构系统。

Actually, I’m not all that crazy about Italian food; I’m in the mood for something a bit lighter.

其实，我意大利食物并不是很喜欢；我想吃清淡一点。

You can add variety to these color selections by including lighter, darker, or desaturated tones.

你可以增加颜色选择的多样性，包括浅色、深色或低饱和度的色调。

Because this flowing substance is lighter than the rocks around it, it rises.

因为种流动的物质比它周围的岩石轻，所以它会上升。

But actually, I think I prefer this lighter shade here - 'sky'.

但是事实上，我更喜欢个颜色淡点的天蓝色。

So, the consistency, it's going to be a little bit lighter, less dense.

所以，没那么稠，密度更低。

Well that would make our wallets and pockets a lot lighter!

那样，我们的钱包和口袋就轻巧多了。

OK. Let's end on a lighter note, Sam, with your question.

好的，萨姆，让我们以你的问题为结尾来轻松一点地结束本期节目。

When it's rather easy, you can start making the D a little lighter.

你来说变得简单些了之后，就把 D 的音发轻一些。

I can't explain it, but I felt lighter.

我无法解释，但我觉得变轻了。

Let's end on a lighter note, Sam, with your question.

萨姆，节目最后咱们聊点轻松的吧。比如你的问题。

No, it's too dark. I prefer something lighter, yellow or pink.

不，颜色太暗了。我更喜欢颜色亮些的，黄色或粉色的。

A higher, lighter, tastier cake, why fresh eggs of course.

想要做一个更蓬松、更轻淡，更美味的蛋糕，那么然要用到新鲜的鸡蛋。

Now, a spark is something you get, for example, from a cigarette lighter.

举例来说，火花是你能从打火机中得到的东西。

You can get it from banging two stones together or from a lighter.

你可以通过把两块石头撞在一起或者用打火机来得到火花。

Next, I'm using a concealer pencil to make the lips a lighter shade.

接下来，我用遮瑕笔把嘴唇涂成浅色。

Your body feels a little bit lighter.

身体也感觉轻盈一点。

His skin may look lighter than normal.

患者的皮肤看起来可能比正常人白。