🗣️ 情景例句
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
Which one is more clever?
哪一个是较聪明的？
Early next morning, she heard planes passing overhead and wondered how she could send a signal.
第二天一大早，她听到头顶上有飞机飞过，但不知道怎样才能发个信号。