Bismuthic oxide
[化] 五氧化二铋
🧩 词语组成解析
[机] 铋的, 五价铋的
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
You don't know what the surprise is yet?
你们还不知道这个惊喜是什么？
How much is the telephone bill a month?
每个月电话费要多少钱？
Half an hour? That's too long! Is there a bus?
半小时？那太久了！有公共汽车吗？