Reactionogen
反应原
🗣️ 情景例句
That's where our difficulty lies.
那就是困难所在。
Don't trust him, he's lying.
别相信他，他在乱盖。
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。