到来的出租车的声音压过了谈话的声音。The conversation was drowned by the arrival of the taxi.我明白她谈话的大意。I follow the drift of her conversation.我仅听到他们谈话的结尾。I only caught the fag end of their conversation....
Remove the hidden air in molten glass as catalyzer in polyester fibre.作为消泡剂用于熔化玻璃清除气泡.It is used in baking the beehive catalyzer in exhaust gas purify organ of auto.该窑炉用于汽车尾气净化器催化剂焙烧.A new process and high effective cata...