| 释义 |
DEFINITIVE EXAMPLES 权威例句〔hypocenter〕The surface position directly beneath the center of a nuclear explosion.（核爆的）震源：一次核爆炸的中心之下的地表位置美国传统〔preposition〕The preposition “on” in “The keys are on the table” shows location.介词on在句子The keys are on the table中表位置。韦氏高阶 |