Fourfold
a. 四重的, 四倍的, 四垒的\\nadv. 四倍, 四重
✅ 同义词
📖 牛津释义
fourfold
adj, adv
1 four times as much or as many 四倍（的）
The population in this area has increased fourfold. 该地区的人口已增加到四倍.
2 having four parts 有四部分（的）.
🗣️ 情景例句
Is that it?
就这些吗？
I couldn't believe my ears.
我真的不敢相信。
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力，