Acantharia
棘骨虫亚纲
🗣️ 情景例句
We picked flowers.
我们拾了花。
He's a student.
他是学生。
He showed that the average individual's sleep cycle is punctuated with peculiar bursts of eye-movements,
他指出，平常人的睡眠周期中不时伴有一阵阵奇怪的眼球队活动，