Concavities
n. 凹面, 成凹形( concavity的名词复数 )
🗣️ 情景例句
Marilyn and Richard and the baby need the space.
Marilyn和Richard还有婴儿需要空间。
To scream for his breakfast
想吃早餐而大喊大叫。
The World Trade Center, an office building for over 1200 firms employing about 50,000 people, is even higher at 411 metres.
世界贸易中心要高得多，有411米。它是一座办公大楼，楼里有1，200多家公司，大约有5万雇员。