Pfs
abbr. porous friction surface(d) 渗透摩擦面
🗣️ 情景例句
I don't think you're the right person for me.
我觉得咱们不合适。
Trust not a great weight to a slender thread.
细线挂重物，终究不可靠。
It is not uncommon to hear that a shipping company has made a claim for cost of salvaging a sunken ship.
航运公司为打捞沉船而提出索赔，这是常有的事，