Refractoloy
一种镍基耐热合金
🗣️ 情景例句
What did I forget?
我忘记什么？
San Diego. I got back yesterday.
圣地亚哥，我昨天才回来。
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，