Tc
[计] 任务控制, 终端控制, 传输控制\\n[医] 锝(43号元素)
🗣️ 情景例句
Hi.
你好。
How many pieces are you going to order?
你要订几张？
who put his questions to nature instead of to the ancients,
他向自然界而不是向古人提出问题，