Gra
abbr. （美）政府科学研究机构联合会（Governmental Research Association）
🗣️ 情景例句
Uh-hum.
嗯哼。
Happy is he who owes nothing.
无债一身轻。
said Jim. Somebody or something took it. We won't go until we get it back again!
吉姆说，“什么人或者什么东西把它拿走了。不把它找回来我们就不走！”