Spirostomid
旋口纤毛虫
🗣️ 情景例句
I'm having some trouble keeping food down.
我吃东西时感到困难。
I would like to call a carpenter to come this afternoon.
我要叫一个木匠今天下午来。
This experience was to change his life.
这一经历后来改变了他的生活。