Helpfulness
n. 有益；有助
✅ 同义词
📖 牛津释义
helpfulness
n [U].
🗣️ 情景例句
Well, Robbie was eight pounds two ounces,
嗯 ，Robbie生下来八磅二盎司，
Who am I supposed to see?
我应该去见谁？
Lucy and I go to school six days a week.
鲁茜和我每周上六天课。