F-type
abbr. flame-fused (quartzglass) 火焰熔凝型（石英玻璃）
🧩 词语组成解析
type
[taɪp]
n. 类型;铅字;（印刷或打印的）文字;于…类型的;
vt.& vi. 打字;
vt. [医学]测定（血型）;按类型把…归类;成为…的典型;[印刷]浇铸（铅字等）;
🗣️ 情景例句
You're welcome.
不客气。
When will he come to see you?
他什么时候来看你？
One Saturday afternoon, I hauled the machine into the garden and had a close look at it.
一个星期六的下午，我把割草机拉到了花园里，仔细检查了一番。