Ihep
abbr. Institute of High Energy Physics （中国科学院）高能物理研究所
🗣️ 情景例句
We finished addressing over three hundred envelopes.
我们写了三百多个信封地址了。
His visit was well timed.
他的访问正合时宜。
Thus the rods, by falling, and by the direction in which they fell,
木棒倒下的多少和倒下的方向