Their sales tripled.的相关资料：
临近单词
their quality
their
Their output gradually fell off.
Their property adjoins the lake.
Their sitting room was enormous.
Their fortunes were interlinked.
Their performance was marvelous.
Their views were widely current.
Their jests made everyone laugh.
Their every action was recorded.
Their assumptions are imprecise.
Their negotiation was fruitless.
