YOU SAID:
The duck boat swims down the charles river on this fine summer evening
INTO JAPANESE
この素晴らしい夏の夜にカモ船がチャールズ川を泳ぎます
BACK INTO ENGLISH
A duck boat swims the Charles River on this wonderful summer night
INTO JAPANESE
この素晴らしい夏の夜にカモ船がチャールズ川を泳ぎます
BACK INTO ENGLISH
A duck boat swims the Charles River on this wonderful summer night
That didn't even make that much sense in English.