Nitrogen trifluoride
[化] 三氟化氮
🧩 词语组成解析
三氟化物
🗣️ 情景例句
I woke up when I heard someone speak.
一听到有人说话我就醒了。
You have no goats, and yet you sell kids.
你虽无老山羊，却出卖小山羊。
It weighed nearly 500 pounds.
重达500磅左右。