Petroleum refining catalyst
[化] 石油炼制催化剂
🧩 词语组成解析
[计] 精炼, 提纯\\n[化] 精炼; 精制; 提炼; 匀料; 匀浆
🗣️ 情景例句
but I'm taking a little time to smell the flowers.
我正利用一点时间轻松一下。
Through obedience learn to command.
只有学会听命于人，方能学会向人发号施令。
It was carrying some large bags of rice. Suddenly one of the bags fell off the truck.
它运载着大包大包的米。突然一袋米从卡车上掉了下来。