Seidner
[人名] 塞德納
??? 情景例句
Thanks. But I have a question.
謝謝。但我想問一下
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
森林火災(zāi)時(shí)常由破碎的玻璃或人們隨手扔掉的香煙頭引起。