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 get upset.
不要发怒。
which direction is it to the theatre?
它哪个方向对剧院？
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。