Sumba
松巴岛
🗣️ 情景例句
Lacks social skills.
缺乏社交能力。
They have been much too irresponsible for their high position.
他们虽身居要位，未免太缺乏责任感了。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。