Refining by oxidation
[机] 氧化精炼
🧩 词语组成解析
[计] 精炼, 提纯\\n[化] 精炼; 精制; 提炼; 匀料; 匀浆
by
[baɪ]
prep. 在…旁边;表示方式;由于;经过;
adv. 经过;表示保留或保存时用;短暂拜访;
oxidation
[[ˌɔksi'deiʃən]]
n. 氧化\\n[化] 氧化
🗣️ 情景例句
Haven't I seen you before?
我以前没见过你吗？
He is attending a conference now.
他正在出席会议。
and he estimated that there were more than 2,250,000 in one acre;
他估计每英亩草坪里有225万多只蜘蛛。