Helpfulness
n. 有益；有助
✅ 同义词
📖 牛津释义
helpfulness
n [U].
🗣️ 情景例句
My browser crashed yesterday, so I can't see any updated information.
我的浏览器坏了，所以我看不到任何最新的消息。
This mountain range has many high peaks and deep canyons.
这条山脉有许多高山峰和深峡谷。
Please say hello to your mother for me.
请代我向你母亲问好。