Planoconvex
[医] 平凸的
🗣️ 情景例句
I was quite surprised when I read in your letter that you had decided not to finish your studies at the university.
当我在你的信中看到你已决定终止大学学业时感到很是惊讶。
Sport is sweetest when there be no spectators.
旁边无观众，运动最轻松。
As the wind freshened there came a sudden squall and the ship made a strange movement, listing to port.
当风力增强时，突然刮来一阵大风，瓦萨号奇怪地摇晃了一下，便向左舷倾斜。