P-waves
(p-wave 的復數) abbr. pressure wave 壓力波
?? 詞語組成解析
n. 波（wave的復數形式）
??? 情景例句
alone in the animal shelter.
獨自在動物收容所 。
It's a windy city.
這是一個多風的城市。
Even so, people are going to find it difficult to get to work.
即使這樣，人們仍會感到上班有困難。