Underproductive
a. 生产不足的, 生产供不应求的
🗣️ 情景例句
OK.
好的。
Most of them are less than 30.
他们中大多数不到30岁。
A 55-storey building went up in 1913, and in 1931 the Empire State Building was completed, then the tallest building in the world.
1913年一座55层高的大楼拔地而起。1931年帝国大厦竣工，这在当时是世界上最高的大厦。