Heptachlorodicyclopentadiene
[化] 七氯
🗣️ 情景例句
Thank you very much.
谢谢你。
I was not aware that I was in danger.
我不知道自己处于危险中。
Sometimes it snows, and the land is all white. Then we go skating.
有时会下雪，地面白茫茫一片。那时我们就去滑冰。