During long periods of dry weather, earth which contains lots of clay can crack, as in the picture above. Clay gets bigger when wet and smaller when dry.
在長時間的干旱季節(jié)，含有泥土的地面可破裂（如圖所示）。泥土在濕潤時膨脹，干旱時收縮。
Dry, cracked earth in the US
今日小常識
今日短語
英語短語 to crack on 意思是趕快繼續(xù)吧。這個短語也被用來鼓勵一個人趕快行動或開始行動。
例句
We need to crack on and get today's work finished.
A: Can I start moving the boxes into the living room?
B: Yes, crack on.
請注意
Crack on 這個短語經(jīng)常跟介詞 with 連用。
I'm going to crack on with my report.
After lunch, they cracked on with painting the kitchen.
人氣排行
