Helpfulness
n. 有益；有助
✅ 同义词
📖 牛津释义
helpfulness
n [U].
🗣️ 情景例句
How is everyone in your family?
全家都好吗？
Eat one's cake and have it.
又要马儿好，又要马儿不吃草。
Let's go and see the pandas. I hear one of them has a baby.
咱们去看看熊猫吧。我听说有一只熊猫生了只小熊猫。