Cerous oxide
[化] 三氧化二铈
🧩 词语组成解析
a. [化](正)铈的, 三价铈的
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
will read a poem by Robert Frost.
要朗读Robert Frost作的一首诗。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
This was later confirmed by naval official at the Ministry of Defiance after the Elkor had returned home.
这一说法在“埃尔科”号返航后得到的国防部一位海军官员的证实。