Helpfulness
n. 有益；有助
✅ 同义词
📖 牛津释义
helpfulness
n [U].
🗣️ 情景例句
Are you married or single?
你结婚了还是单身？
She was so stunned, that she couldn't speak.
她惊愕得说不出话来。
He had no sooner returned than he bought a house and went to live there.
他刚一回到英国便买下了一幢房子住了进去。