Boat wakes appear as slightly curved lines, accentuated by the pastel tones of the oil slick.
船尾呈略微弯曲的线条，浮油的柔和色调突显了这种感觉。
2
However, their effects are probably accentuated by climatic factors, such as drought and hard winters, or soil imbalances such as soil acidification, which damages the roots.