🧩 词语组成解析
[计] 正文处的
frustrated
[[frʌs'treitid]]
a. 失意的, 挫败的；泄气的
🗣️ 情景例句
Is Li Ying in?
李英在家吗？
Please turn in your paper before leaving.
请在离开前将论文交上。
However, rescue operations are proving difficult.
然而，事实证明营救工作非常困难。