Centronema
中心系核线
🗣️ 情景例句
My folks are giving me a little graduation party.
我的亲人要为我办一个小小的毕业派对。
You saw that movie, didn't you? Was it interesting?
你看过这部电影了吧？精彩吗？
Walt invented the steam engine.
瓦特发明了蒸汽机。