Hitab
噪声和背景信号的测定靶
🗣️ 情景例句
He's always in and out of jobs.
他老是跳槽。
Could you tell me where is the bus stop?
你能不能告诉我公共汽车站在哪里？
Though a number of descents have been made, much of it still remains to be explored.
人们多次进入洞内探险，但至今尚有不少东西有待勘探。