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梅雨， 黴雨， つゆ， ばいう
1. (East Asian) rainy season (in Japan, usu. from early June to mid-July)
2. rain during the rainy season
梅雨季(日本的梅雨季通常从6月初到7月中)
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd