Thorium dioxide
[机] 二氧化钍
🧩 词语组成解析
n. 钍\\n[化] 钍Th
🗣️ 情景例句
One moment, please.
请等一下。
Quick! Seize that child before she falls down.
快！趁还没掉下去，快抓住那孩子。
'This is the prettiest carpet I have ever seen,' she said.
“这是我见过的最漂亮的地毯，”她说。