Helpfulness
n. 有益；有助
✅ 同义词
📖 牛津释义
helpfulness
n [U].
🗣️ 情景例句
You inherited your father's brains.
你继承了你父亲的好头脑。
He must needs swim that is held up by the chin.
身不由己，只得从命。
Both men had hardly had time to realize what was happening when they were thrown violently into the sea.
他们两个还没来得及意识到究竟发生了什么事情，就被猛地抛入了海里。