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
Look, the Kramers are showing off in their new convertible.
看，克来姆一家在炫耀他们的新敞蓬车。
Who makes everything right must rise early.
要把事事都做好，必须坚持起得早。
My daughter, Jane, never dreamed of receiving a letter from a girl of her own age in Holland.
我的女儿简从未想过会接到荷兰一位同龄姑娘的来信。