Serriform
a. 锯齿形的
🗣️ 情景例句
Does he know you're here?
他知道你在这 吗？
We have an extended warranty available at extra cost.
对于额外价钱我们有较长的保证期限。
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，