Four-fold
a. 四倍的；四重的；四垒的\\nadv. 四倍；四重
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
fold
[fold]
vt. 折叠;合拢;抱住;笼罩;
vi. 折叠起来;彻底失败;
n. 折痕;信徒;羊栏;（起伏地的）凹处，洼;
🗣️ 情景例句
Charles Maxwell lived up to his word.
Charles Maxwell兑现了他的诺言。
Flirt!
花痴！
Now, this is the chemistry lab. Have you been in this lab before?
好啦，这是化学实验室。你们以前到过这个实验室吗？