Inarticulata
无铰纲; 无铰腕足纲; 无关节纲
🗣️ 情景例句
Remember, the number 1 train. The uptown platform.
记住，搭一路车，在北月台 。
Christmas falls on a Friday this year.
今年的圣诞节是星期五。
She started to run to the boat.
她拔腿就往小船跑去。