Pericenter
近心点; 近中心点
🗣️ 情景例句
Hello, operator.
喂， 接线生。
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
The police had been told that a bomb had been planted on the plane.
有人报告警察，说飞机上安放了一枚炸弹。