Tfh
abbr. thin film head 薄膜磁头; transverse flux induction heating 横向磁通感应加热; time-frequency hopping 跳时跳频; thick-film hybrid technology 厚膜混合（集成）技术
🗣️ 情景例句
Susan called early this morning. Susan
一大早打电话来。
What's so funny?
什么事那么好笑？
Are you a visitor here?
你是来这里旅游的吗？