Polycladida
多肠纲
🗣️ 情景例句
Hi, Susan.
嗨， Susan。
There is no work to be found.
这里找不到工作。
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。