China is giving 10% of its observation time, around 450 hours a year, to scientists from other countries.
中国每年将10%的观测时间（约450小时）交给其他国家的科学家。
2
As Mason and the other agents watch from the observation room, Jack mumbles something to Penticoff that can't be heard by Mason.
梅森和其他探员在观察室里看着他俩，杰克向彭蒂科夫嘀咕了几句，梅森听不到他说的是什么。
3
The exhibit sparked interesting conversation and Weiner and her date revealed a lot about each other through the art: intelligence, observation skills, background.