Threefold
a. 三倍的, 三重的\\nadv. 三倍地, 三重地
✅ 同义词
📖 牛津释义
threefold
adj, adv three times as much or as many 三重（的）; 三倍（的）.
🗣️ 情景例句
He's busy preparing for class.
他忙着准备功课。
What are you interested in?
你对什么比较感兴趣？
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。