Push-pull eletret transducer
[电] 推挽驻极体转换器
🧩 词语组成解析
push
[pʊʃ]
vt.& vi. 推，推动;
vt. 推动，增加;对…施加压力，逼迫;按;说服;
n. 推，决心;大规模攻势;矢志的追求;
vi. 推进;增加;努力争取;
pull
[pʊl]
vt.& vi. 拉;扯;拉过来;划（船）;
vt. 赢得;吸引异性;取消;（耍手腕）得逞;
n. 拖;爬;影响力;
transducer
[trænz'dju:sə]
n. 传感器，变频器，变换器;
🗣️ 情景例句
You can't expect to learn a foreign language in a week.
别指望一个星期就能学会一门外语。
It won't fit; you'll have to go to the post office.
那不行，你必须去邮局才行。
Six men have been trapped in a mine for seventeen hours.
6个人被困在矿井里已有17个小时了。