Padds
[医][=photon-activated drug delivery system]光催化剂运载系统
🗣️ 情景例句
He made a pretty fortune by selling all his land.
他卖了所有的土地发了大财。
How long will it take for a telegram to get to California?
你把电报传到加州要多长时间？
The man who had fixed up the air-line was also questioned.
安装供气管的那位工人也被提问。