Sgr
abbr. 无铀伽马；钠石墨反应堆（Sodium Graphite Reactor）
🗣️ 情景例句
on the patio this morning.
要在院子 。
The laundry is not dry enough.
衣服还没干。
Look into the river, said the monkey. There he is! See his head?
“往河里看，”猴子说，“他就在那里！看见他的头了吗？