Melena
n. [医]黑粪症
🗣️ 情景例句
If you don't give me a better price, I won't buy this.
如果价格不更优惠些，我是不会买的。
I hope you change his decision.
我希望你改变他的决定。
I'm getting a new computer for birthday present.
我得到一台电脑作生日礼物。