Semidiameter
n. 半径
🗣️ 情景例句
You'll never be in shape until you eat less and exercisemore.
只有少吃多锻炼才能健美。
My overcoat is red.
我的大衣是红色的。
The Moon is likely to become the industrial hub of the Solar System,
月球很可能成为太阳系的工业中心。