Trach
abbr. trachea 气管; tracheation （节肢动物）气管; tracheal 气管的; tracheate （节肢动物）有气管的
🗣️ 情景例句
Will it take long?
要很久吗？
There is no friend so faithful as a good book.
最忠实的朋友莫过于一本好书。
I don't know. My head hurts.
不知道。我头痛。