Static demography
[医] 静态人口学
🧩 词语组成解析
🗣️ 情景例句
They can build a space craft and send it to the edges of our very solar system.
他们能制出航空飞船并将其发送到太阳系的边缘。
I cannot be your friend and your flatterer too.
我不能既是你的朋友，而又对你阿谀奉承。
hold the string so that the weight nearly touches the ground.
让重物几乎接触地面。