Lanthanon
[机] 南山酮, 马樱酮, 镧系元素
🗣️ 情景例句
I think it can be done.
我认为这件事情办得成。
I've got a lot of things to do before I can leave.
在我能离开以前，我有很多事情做。
The most economical age to capture an elephant for training is between fifteen and twenty years,
捕捉15至20岁之间年龄的大象进行驯练最为经济。