We sat in the upper tier at the stadium. 我們坐在體育場的上排。
Heated air is forced into the upper tier of ducts. 加熱的氣流被送入上面的一排管道。
We have introduced an extra tier of administration. 我們額外增加了一層管理。
In order to advance to the next crafting tier a crafter must first train in making each item for that tier. 為了提升到下一物品製造技藝等級,工匠首先必須為這一等級進行訓練,嘗試去製作每一個物品。