Optional flange
[化] 任意法兰
🧩 词语组成解析
flange
[[flændʒ]]
n. 边缘, 轮缘, 凸缘\\nvt. 装凸缘
🗣️ 情景例句
Don't go looking for trouble.
别没事找事。
It's such a nice change.
真实令人高兴的转变。
The officers got out and the prisoner stood to attention and saluted as they passed.
军官们下了车，战俘立正站好，并在他们从他面前经过时敬了礼。