Siriometer
兆(天文单位)
🗣️ 情景例句
This is a good deal: buy 1, get 1 free.
这可是个好买卖：买一送一。
Eagles fly alone, but sheep flock together.
鹰单飞，羊群集。
In the early 1980s, the computer giant, IBM produced the world's first Personal Computer.
80年代初，计算机行业的王牌公司美国国际商用机器公司（IBM）生产出了世界上第一台个人电脑。