雪从昨天夜里就一直在下。
It has been snowing since last night.
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has英 /hæz/|美 /hæz/
been英 /biːn/|美 /bɪn/
snowing英 /ˈsnəʊɪŋ/|美 /ˈsnoʊɪŋ/
解释
has been snowing 构成现在完成进行时，表示降雪从昨晚持续到现在。
It has been snowing since last night.
has been snowing 构成现在完成进行时，表示降雪从昨晚持续到现在。