to walk [动词] 走 Ex: After the heavy rain , it was challenging to walk on the muddy path . 大雨过后,在泥泞的小路上行走很有挑战性。
trip [名词] 旅行 Ex: He packed his bags for a week-long business trip to attend a conference . 他为参加一个会议打包了行李,准备进行为期一周的商务旅行。