（三重浆船需要金属铸造）偷袭还是有点用了的英文

trireme requires metal casting

• 三重:    tripling; ter; tre ...
• 浆:    thick liquid; syru ...
• 船:    boat; ship; vessel ...
• 需要:    need; want; requir ...
• 金属:    metals genus
• 铸造:    cast-on outwell; f ...
• 偷袭:    surprise attack; s ...
• 还是:    still; nevertheles ...
• 有点用:    be of some use
• 了:    finish; complete; ...