Senna
n. 山扁豆, 番泻叶, 轻泻剂\\n[化] 番泻叶
📖 牛津释义
senna
n[U]
dried leaves of a tropical plant, used as a laxative 旃那叶, 山扁豆叶, 番泻叶（热带一种植物的乾叶, 用作通便剂）.
🗣️ 情景例句
We have to maintain communication to understand each other.
必须保持交流以求相互理解。
I meet the boy whose aunt is a saleslady.
我遇到那个男孩的姑妈是推销员。
This machine joins the metal pieces together, he said.
“这台机器把金属片焊接起来，”他说