"an expedition was sent to explore Mars"
"many summer excursions to the shore" "it was merely a pleasure trip" "after cautious sashays into the field"
"it was done with dispatch"
expedition是什么意思
expeditionary是什么意思
expeditioner是什么意思
expeditionist是什么意思
expeditious是什么意思
expeditiously是什么意思
expeditiousness是什么意思
expel是什么意思
expellant是什么意思
expellee是什么意思