Tracerlab
同位素示踪物实验室
🗣️ 情景例句
But I'm bored.
但我感到无聊。
He who shareth honey with the bear hath the least part of it.
与熊分蜜糖，得不到多少。
They look young! Who's that man?
他们看上去好年轻啊！那个人是谁？