Selenious oxide
[化] 二氧化硒
?? 詞語組成解析
a. 二價硒的, 亞硒的
oxide
['ɑksa?d]
n. [化]氧化物;
??? 情景例句
Maybe.
再說，再說。
It's not my idea!
這主意不是我出的！
When they were very young, Mr. Green sometimes dressed up in a red coat. But he doesn't do that now.
在他們很小時，有時候格林先生穿上一件紅色的外套。但他現在不那么做了。