Seroconversion
n. [生][医]血清转化
🗣️ 情景例句
Camping out is such great fun.
露营是件非常好玩的事。
As you all know.
你们知道。
Heavy iron chains around his feet and hands were fixed to a metal bar that ran round the hall about ten centimetres off the ground.
手上和脚上沉重的铁链拴在厅堂四周离地约有10厘米的金属杆上。