Otd
[医] 器官耐受量(放射量)
🗣️ 情景例句
Have you ever been to a buffet dinner?
你去吃过自助餐吗？
Did you go camping this morning?
你今早去露营了吗？
and at the most critical juncture we took turns in watching that point.
在最紧急的时刻，我们轮流监视那段河流的险情。