It's a neurotransmitter that helps promote feelings of attraction, excitement, and giddiness.

它是一种神经递质，有助于促进吸引、兴奋和头晕的感觉。

" Have done! How dare you show your giddiness here? What would Mr Linton say if he heard you? "

“好啦！你怎么敢在这儿调皮；林惇先生若是听见你闹，他会说什么呀？”

" Because if taken in excess, it causes giddiness, recklessness, and dangerous overconfidence, " said Slughorn.

“因为，如果过量服用，就会导致眩晕、鲁莽和危险的狂妄自大。”斯拉格霍恩说。

JON M. CHU: I'm assuming all the giddiness is for me, right?

JON M. CHU：我假设所有的头晕都是为了我，对吧？

I felt my centre of gravity shifting its place, and giddiness mounting into my brain like drunkenness.

我感觉自己的重心发生了转移，头晕的感觉就像醉酒一样涌入我的大脑。

Teletubbyland all started with the moon landings, and the hoppy bounciness of the astronauts in that famous footage eventually became the floaty giddiness of the Teletubbies themselves.

神奇岛都是从登球形顶开始的，在那段著名的镜头中宇航员跳跃的弹性最终变成神奇岛的漂浮眩晕。

Mr. Lorry, you cannot control the mincing vanities and giddinesses of empty-headed girls; you must not expect to do it, or you will always be disappointed.

Lorry 先生，您无法控制头脑空虚的女孩的虚荣心和轻浮；你一定不要期望这样做，否则你将永远失望。

Tufts of artemisia were growing in clefts of the rock near by, and I filled my mouth with the bitter leaves, hoping they might help to prevent giddiness.

附近的岩石缝里长着一簇簇蒿子， 我把苦涩的叶子塞进嘴里， 希望它们能帮助防止头晕。

Noticing some tufts of artemisia in a cleft of rock, I filled my mouth with the leaves, hoping their bitter taste might help to keep caution keen and prevent giddiness.

注意到岩石裂缝中有几丛蒿，我把叶子塞进嘴里，希望它们的苦味有助于保持警惕并防止头晕。

And before a swimming giddiness spun her round and round, she knew that she was kissing him back. " Stop — please, I'm faint" ! she whispered, trying to turn her head weakly from him.

在她快要感到头昏眼花，天旋地转的时候，他意识到自己已在用热吻向他回报了。" 行了，行了，我都头晕了！" 她小声说，一面无力地挣扎着，想把头扭开。