Cavity preparation
[医] 洞制[备]法
🧩 词语组成解析
🗣️ 情景例句
How was your school-board meeting last night?
昨天晚上你们的联合校董会会议开得怎么样？
We think $ 87,000 per unit with a five percent discount for orders over 100.
我们减少到每台8。7万美元，订购超过100台给予5%的折扣。
You're working hard, George.
你干得真辛苦，乔治。