boundary layer circulation的用法和樣例：
例句
- Meaningfully, the changes of the stratospheric circulation were more than a month ahead of the snow storms.
更有意義的是，平流層環(huán)流的變化超前了一個(gè)多月。 - The visible satellite imageries on the day gradually revealed a low-level circulation centre drifting to the northeast, leaving the cloud bands near southeastern Hainan.
當天的可見(jiàn)光衛星云圖可見(jiàn)天鵝的低層環(huán)流中心向東北飄移，而對流云帶則停留于海南西南部。
