firsthand
adj [attrib 作定语], adv gained or coming directly from the original source 第一手(的); 直接从来源处得到(的)
firsthand information 第一手信息
experience sth firsthand 亲身经历某事.
🗣️ 情景例句
Ten o'clock.
十点钟。
First of all, I want to thank you all for coming to this party.