Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
mighty – adj. having or showing great strength or power
barge – n. a large vessel that has a flat bottom and that is used to carry goods in harbors and on rivers and canals
sawmill – n. a mill or factory where logs are sawed to make boards
Do historic boats or ships operate in your country? We want to hear from you. Write your thoughts in the comments section.
