n. 中心,核心,精髓;果心,果核;[地质学]地核;[计] 磁心;
vt. 去(果)核,挖去…的果心;提取岩芯(样品);
🗣️ 情景例句
Thank you--
谢谢你。
This is a chair.
这是一张椅子。
In this part of the cave, they could hear an insistent booming sound which they found was caused by a small waterspout shooting down into a pool from the roof of the cave.