"an oral tradition"
"an oral agreement"
"oral hygiene"
"an oral thermometer"
"an oral vaccine"
"the oral cavity"
"the oral mucous membrane"
"the oral surface of a starfish"
来自柯林斯例句
来自柯林斯例句
来自《权威词典》
来自《现代汉英综合大词典》
来自《现代汉英综合大词典》