Pdsi
abbr. portable digital strain indicator 轻便式数字应变指示器
🗣️ 情景例句
Challenge, the feeling of accomplishment, and knowing that you have made a contribution.
挑战，成就感和知道自己做出了贡献。
He has been to America.
他去过美国。[曾经有过的经验]
Nothing of value was found, but the numerous items which were brought to the surface proved to be of great interest.
但没发现什么值钱的东西，不过打捞出来的众多的物品还是引起了大家极大的兴趣。