Lanthanides
高中 Senior High镧族稀土元素, 镧系元素
🗣️ 情景例句
The kids hang their stockings over the fireplace for Santa Claus to fill them with candies and toys.
孩子们在火炉边悬挂长筒袜等待圣诞老人给他们塞糖果和玩具。
The bus is bigger than other cars, but too crowded.
巴士虽然比小汽车大，但是太拥挤了。
I'm talking. You are not talking. You're listening to me .
我在说话。你没在说话。你在听我说话。