Lanthanide-exchanged zeolite
[化] 镧系元素置换的沸石
🧩 词语组成解析
v. 换回( exchange的过去式和过去分词 ); 交换, 替换; 进行易货贸易, 作物物交换; [金融业](货币)交换, 兑换
🗣️ 情景例句
That's amazing!
太令人吃惊了,真棒!
You two don't have much contact
? 你们俩没怎么联系吗?
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室,但从那以后没人看见过她。
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