Hard pack
01
固まった雪, 圧雪
snow that has become compacted and firm, typically due to repeated freezing and thawing or heavy traffic
Specialized
例
The skiers had to adjust their technique to handle the hard pack snow on the slopes.
スキーヤーは斜面の固まった雪に対処するために技術を調整しなければなりませんでした。
