Sootfall
n. (工业区的)煤烟降落(量)
🗣️ 情景例句
We'll head down there first thing tomorrow morning.
明早第一件事就是去那。
Have but few friends though many acquaintances.
朋友要少，熟人要多。
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。