Pneumatic sign

[医] 气压试验, 安贝尔氏征

🧩 词语组成解析

pneumatic [numætɪk]

adj. 充气的;气动的;装满空气的;有气胎的; n. 气胎;有气胎的自行车;（风琴的）管;

pneum呼吸 + atic...的 → 装满空气的, 有气胎的

sign [saɪn]

n. 符号;手势;迹象;指示牌; vt.& vi. 签名;打手势;

sign(mark)→记号；征兆；签字；做手势；表示

🗣️ 情景例句

I told you you'd like it. I've been doing this for years.

我告诉过你你会喜欢的。我多年来一直从事这项活动。

I assume you've decided against buying a new car.

我假设你决定不买一辆新汽车。

The woman immediately behind the two cars happened to be a learner.

紧跟其后的一辆车上的司机碰巧是个初学者，

更多情景英语 ›

🔤 更多 P 开头的单词

pantanencephaly

pay sb to do sth

pelted

Phragmites

Planck constant

point spread

Postal Telephone and Telegraph

preferential payments

全部 P 开头单词 ›