Pearl hardening
[机] 硫酸钙块
🧩 词语组成解析
pearl
[pɝl]
n. 珍珠;珍品;人造珍珠;珠状物;
vi. 采珍珠;
vt. 使成珠状;用珍珠装饰;
n. 硬化, 淬火\\n[计] 硬化, 固化, 淬火
🗣️ 情景例句
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。
He can only speculate as to which horse will win the race.
他只能推测那一匹在赛马中会获胜。
Many owners of private cars are going to offer 'free rides' to people on their way to work.
很多私人汽车的车主正准备为乘车上班的人们提供“免费乘车”的服务，