Fyrol fr-2
[化] 菲洛尔FR-2(阻燃剂)G
🧩 词语组成解析
[医] 钫(87号元素)
🗣️ 情景例句
Yes. This is Richard Stewart.
是的。我是Richard Stewart。
It's no trouble at all. I'll carry this suitcase for you.
一点也不麻烦，我来替你提这只箱子。
I've lost my ruler. Have you seen it anywhere?
我的尺子丢了。你在哪看见了吗？