Headwaters
n. 源头, 上游
✅ 同义词
🗣️ 情景例句
When are Susan and Harry picking you up, Marilyn?
Susan和Harry什么时候来接你们， Marilyn
If I had known that, I could have helped you.
假如我早知道，我就能帮你了。
A French physician decided to get rid of the wild rabbits on his own estate and introduced myxomatosis.
一位法国内科医生决定除掉自己庄园内的野兔子，于是引进了这种多发性粘液瘤疾病。