Samaria
[化] 氧化钐
🗣️ 情景例句
Just make the few changes I suggested and your letter will be perfect!
只要改动我提到的个别地方，你的信就会很完美了。
Excuse me, what time will the plane arrive in Tokyo?
对不起，请问飞机何时到达东京呢？
Some children are coming out of the building.
一些孩子正从楼里出来。