Arcanum
n. 秘密, 奥秘, 秘方\\n[医] 秘方药
✅ 同义词
🗣️ 情景例句
Would you prefer a window, aside or enter seat?
您喜欢靠窗、靠走道还是中间的位置？
That's really something.
真了不起。
Frank smiled when he remembered his hard early years and the long road to success.
弗兰克回想着他早年的艰难经历和走过的漫长的成功之路，微笑了。