Decidua
n. [医]蜕膜,经期蜕膜
🗣️ 情景例句
Don't feed the bears.
不要给熊喂食。
The first blow is half the battle.
头炮打响，等于半个胜仗。
The settlers built railways across the plains and began to hunt even more bison.
殖民者在平原上修起了铁路，于是开始猎取更多的野牛。