Stewartite
斜磷锰矿
🗣️ 情景例句
Get away from me.
从我身边滚开。
There are no birds of this year in last year's nests.
事过境迁。
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，