Jpl
abbr. 喷气推进实验室（Jet Propulsion Laboratory）；日本白金（Japanese Platinum）
🗣️ 情景例句
I don't know.
我也说不上来。
I would like to ask you a favor.
我可以提出一个要求吗？
It has been estimated that if the bridge were packed with cars, it would still only be carrying a third of its total capacity.
据估计，若桥上摆满了汽车，也只不过是桥的总承载力的1/3。