Upriver
a. 上游的, 向水源的
✅ 同义词
🔴 反义词
🗣️ 情景例句
I want to have fun.
我想要快快乐乐的。
The history paper was really easy, so was the biology one.
历史试题确实容易，生物试题也很容易。
the waters flow more quietly, and in the end, without any visible break,
河水流得平缓起来，最后连绵不断地