He was very prone to seasickness and already felt queasy.是什么意思？

He was very prone to seasickness and already felt queasy.

他快晕船了，已经感到恶心了。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

very

adj. 很，非常，恰好是，正是，十足的，特有的；adv. 很，非常，充分，完全；

例句
Most people have very little difficulty in seeing why a Van Gogh is a work of genius.
多数人不难理解为什么凡·高的作品是天才之作。

prone

adj. 易于…的，俯卧的，有…倾向的，倾斜的，坡陡的；

例句
The test should identify which smokers are most prone to develop lung cancer...
这项检查应该可以确认哪些吸烟者更容易得肺癌。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

seasickness

n. 晕船；

例句
He was very prone to seasickness and already felt queasy.
他快晕船了，已经感到恶心了。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

already

adv. 早已，已经，先前；

例句
He has already voted by absentee ballot...
他已进行了缺席投票。

felt

n. 毛毡；v. 摸索( feel的过去式和过去分词 )，触，深感，以为；

例句
She felt as if his words had granted her absolution.
她感觉他的那番话好似给她下了道赦令。

queasy

adj. （指人）想呕吐的，感到恶心的，易反胃的，（指良心等）感到不自在的；

例句
Some people feel queasy about how their names and addresses have been obtained.
一些人为自己的姓名和地址是如何被泄露出去的感到不安。