Positive pressure
[医] 正压
🧩 词语组成解析
positive
['pɑzətɪv]
adj. 积极的;确实的，肯定的;[数]正的;[医]阳性的;
n. 正面;正片;[语]原级形容词;[数]正量;
posit肯定+ive形容词后缀 → 肯定的；积极的
🗣️ 情景例句
People don't ask questions about a person's salary.
人们不问一些关于收入的问题。
It is good to learn at another man's cost.
前车之覆，后车之鉴。
Thank you .It was very nice of you to help me.
谢谢你帮我，你真好。