Epithelitis
上皮炎
🗣️ 情景例句
if that's what you mean.
是这个意思吧。
A chain is no stronger than its weakest link.
链条的坚固程度取决于它最薄弱的环节。
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。