Obtusity
n. obtuse（钝的, 不尖的）的变形
🗣️ 情景例句
The world's greatest grandmother, Mrs. Ellen Stewart,
世界上最伟大的祖母， Ellen Stewart太太，
Then the whole family sits around the table, feasting and welcoming the first day of the new year.
然后全家围坐在桌旁吃团圆饭，迎接新年第一天的到来。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。