Lethane
混合杀虫剂
🗣️ 情景例句
You are my best friend in the whole world.
你是我在这个世界上最好的朋友。
Excuse me. Can you tell me where Main Street is?
劳驾，你能告诉我正街在哪里吗？
What happened before printing was invented?
印刷术发明以前是怎么一回事？