Trimerophytopsida
三列蕨纲
🗣️ 情景例句
Do you really think so?
你真的这么想吗？
In secondary school, children get more advanced knowledge.
在中学，孩子们得到更高深的知识。
it is customary for the new arrival to be placed between the stalls of two captives whose training is already well advanced.
通常是把新到的安置在两头训练得很好的大象的象厩中间，