Heiman's culture-medium

culture ['kʌltʃɚ]

n. 文化;[生物学]（微生物等的）培养;修养;养殖; vt. 培植，培养;

cult耕种，培养+ure抽象名词→[对心灵的]培养→人类文化

medium ['midɪəm]

adj. 中等的，中级的;普通的;平均的;半生熟的; n. 媒介物，媒质;中间，中庸，[生]培养基，培养液，颜料溶解液，[数]中数，平均，[逻]中名辞;手段，方法;中间物;

medi中间+um表名词→中间物，媒介

about your math teacher or your math homework.

你的数学老师或你的数学作业。

Sailboats glided motionlessly across the lake.

帆船静静地像滑动似的在湖上前进。

We set off down the hill. At first it was easy walking over the grass. Then the grass turned to bushes and the hillside became steeper. We climbed over rocks, through trees and found it more and more difficult to get down the hill. By now we were beginnin

我们开始下山，起初很容易地走过草地，后来草地变成了灌木丛，山峰变得更陡了。我们爬过岩石，穿过树林，发现下山越来越难。这时我们感到疲惫，雨也下大了。我在一小块草地上停下来，转身看看跟在我后面的弟弟。就在这时我在两块岩石中间发现了一个洞。“我过去看看，”我喊?2282