用drop造句現在進行時

The red river may be reaching its crest，lower than previously thought，just under 41 feet and dropping.

紅河水位可能達到它的頂峯，比預期的要低，在41英尺以下並且還在下降.

Yellow dust was dropping from the limetrees .

菩提樹枝頭飄下黃色的花粉。