Sed
abbr. 航天工程文献（Space Engineering Document）；光谱能量分布（Spectral Energy Distribution）
🗣️ 情景例句
Mrs. Ellen Stewart has taken an early lead.
Ellen Stewart太太初步领先。
Everything has its time and that time must be watched.
任何事情都有好的时机，不要随意放过。
It's often cold in December, January and February.It snows sometimes.
12月、1月和2月常常很冷，有时还下雪。