Dorsa
pl. 背, 背状部分, 背部\\n[医] 背
🗣️ 情景例句
Sit down, sit down. Have some coffee.
请坐， 请坐。喝点咖啡。
You said it. I didn't.
这是你说的喔！
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，