You're not supposed to walk on the grass.
不准践踏草地。
He lay back on the grass using his backpack as a pillow.
他用背袋当枕头仰卧在草地上。
The city and the Commonwealth have lost a great leader.
这座城市和这个州失去了一位伟大的领袖。
Their contribution was of great worth.
他们的'贡献具有伟大的意义。
She moves with the natural grace of a ballerina.
她的动作具有芭蕾舞演员自然优雅的丰姿。
Ballet classes are important for poise and grace.
芭蕾课可以很好地使人保持优雅的仪态。
