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
I don't know how to drive I'm afraid.
恐怕我不懂得怎样开车。
How long have you been studying English?
你学英语多久了?
In the organization of industrial life the influence of the factory upon the physiological and mental state of the workers has been completely neglected.