Sed
abbr. 航天工程文献（Space Engineering Document）；光谱能量分布（Spectral Energy Distribution）
🗣️ 情景例句
I was quite surprised when I read in your letter that you had decided not to finish your studies at the university.
当我在你的信中看到你已决定终止大学学业时感到很是惊讶。
Who is going to wait?
谁在等？
Goats are also kept. Apart from their milk, the wool from their coats is used in expensive clothing.
除了获取羊奶之外，从羊皮上剪下的羊毛还用来制作昂贵的服装。