Lethane
混合殺蟲劑
??? 情景例句
You are my best friend in the whole world.
你是我在這個世界上最好的朋友。
Excuse me. Can you tell me where Main Street is?
勞駕，你能告訴我正街在哪里嗎？
What happened before printing was invented?
印刷術發明以前是怎么一回事？