Aliphatic oxide
[机] 脂族氧化物
🧩 词语组成解析
a. 脂肪族的\\n[化] 脂族的; 脂肪族的
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
A little over two hours.
两个钟头多一点。
He said he would rather not tell his age.
他说他不愿告诉年龄。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。