Tracerlab
同位素示踪物实验室
🗣️ 情景例句
Philip, I took Michelle to a school play
Philip,我带Michelle看过学校演出的
Walk, don't run, to the nearest exit.
从最近的出口出去，别瞎跑。
that twenty or thirty pages of ideas and information would be capable of turning the present-day world upside down, or even destroying it.
二三十页材料中的思想和情报会使当今的世界天翻地覆，甚至毁灭这个世界。