Helpfulness
n. 有益；有助
✅ 同义词
📖 牛津释义
helpfulness
n [U].
🗣️ 情景例句
It's wonderful for me.
这对我来说太好了。
I don't like wearing the uniform.
我不喜欢穿制服。
I'd like to take a boat on the River Nile.
我想乘船在尼罗河上游览。