(of a person) traveling from place to place, often for work or a specific purpose

巡回的, 游牧的
a plan of the route and the places that one will visit on a journey

行程, 旅行计划
o travel from one location to another, often on a regular circuit, for a specific purpose or duty

巡回, 定期旅行
having plenty of space for movement and storage

宽敞的, 宽大的
(economics) an unprocessed material that can be traded in different exchanges or marketplaces

商品, 原材料
a small, brief wave on a liquid surface

小波, 细浪
to move in a rhythmic or repetitive pattern that rises and falls

波动, 犹豫
to hinder the process or make something harder to do or achieve

阻碍, 妨碍
a burden or obstacle that impedes progress or makes a task more challenging

障碍, 负担
to advance the progress or growth of something

促进, 推进
having a distinct and often pleasant natural scent

芬芳的, 香的
possessing a distinct or recognizable scent, often unpleasant

有气味的, 恶臭的
the action or process where a wave, such as light or sound, bounces back from a surface instead of passing through

反射, 反映
a photographic accessory used to redirect or bounce light onto a subject, typically consisting of a flat or curved surface made of reflective material

反射器, 反光板
to release freely, often in a natural or uncontrolled manner

流出, 散发
an instance of flowing out under pressure

涌出, 流出
showing strong or excessive emotion or enthusiasm

热情洋溢的, 过分热情的
the process of helping something grow, develop, or become more successful

促进, 进展
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