Seroconversions
(seroconversion 的复数) n.[生][医]血清转化
🗣️ 情景例句
Front Desk. Can I help you?
前台，需要我为您服务吗？
To receive
接受
This is not easy, and may require two porpoises working together.
这并非易事，可能需要两只海豚合伙干才行。