Tis
abbr. 热成像系统（Imaging Thermal System）；[美]技术情报服务处（Technical Information Service）
🗣️ 情景例句
I haven't seen you for a long time.
很久没见了。
Could you tell me where is the bus stop?
你能不能告诉我公共汽车站在哪里？
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。