Jpi
abbr. Japan Petroleum Institute 日本石油学会
🗣️ 情景例句
We were very young.
我们那时很年轻。
She is the most gracious hostess I have ever known.
她是我所见过的最和蔼的女主人。
The people performing all play different instruments and three of them sing too.
参加演出的人都要演奏不同的乐器，其中三位也演唱。