Varitrol
“伐里脱罗”(一种自动调节系统)
🗣️ 情景例句
I heard that some tours actually go down into the canyon. Is that true?
我听说有的旅游团真正下到峡谷里去了。那是真的吗？
What will you have for breakfast tomorrow morning?
你明天早上早餐将有什么？
Did you pay by check or cash?
你用支票还是现金？