Vehic.
[医] 赋形剂; 媒介物
🗣️ 情景例句
You are always straying from the subject.
你说话总爱跑题。
It took him a long time to make up his mind.
下决心花了他很长时间。
She gave her luggage to a porter and showed him her ticket.
她把行李交给搬运工并给他看了车票。