n. someone who makes conjectures without knowing the facts
n. someone who risks losses for the possibility of considerable gains
词态变化
原型:speculator
变形:s
常见例句
1
an attempt by speculators to defraud investors v
2
n a sudden short attack n an attempt by speculators to defraud investors v search without warning, make a sudden surprise attack on v enter someone else's territory and take spoils v take over (a company) by buying a controlling interest of its stock v search for something needed or desired