Convexo-concave seal face
[化] 凹凸密封面
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
face
[fes]
n. 面容;表面;脸;方面;
vt.& vi. 面对;面向…;正视;承认;
vt. （感到不能）对付;（明知不好办而）交谈;必须对付（某情况）;面临…;
face=fac表示脸、面 → 脸；表面；外表
🗣️ 情景例句
Oh, she has an opening tomorrow at ten.
哦，她明天上午10点有空。
I will be gettinf married next week.
我将在下周结婚。
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。