Exesion
[医] 腐蚀
🗣️ 情景例句
Come on, Richard.
过来， Richard。
The accident held the train up for an hour.
那事故使火车延误了一个小时。
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。