Langite
蓝铜矾
🗣️ 情景例句
His studies haven't been inproving lately.
他的学业最近没什么进步。
Children are the parents's riches.
子女是父母之财富。
The winning car reached a speed of forty miles an hour -- much faster than any of its rivals.
获胜的那辆车达到了时速40英里--远远超过任何对手。