Gra
abbr. （美）政府科学研究机构联合会（Governmental Research Association）
🗣️ 情景例句
It's not uncommon to encounter sexual harassment in the office.
在办公室遭遇性骚扰并不少见。
Pay somebody back in his own coin.
一报还一报。
May I help you?
我能帮忙吗？