It carried no weapons, provided cramped quarters, and required a "mother ship" for transport and recovery, but it could slip into regions that normal ships could not.
它不携带武器，藏身之处狭窄无比，需要“母舰”投放和回收，但它能偷偷溜进正常船只无法进入的区域。
2
Emergency workers fear that the burning ship could slip its moorings.
急救人员担心燃烧着的船只可能会脱链滑走。
3
Some of the colour had come back into his cheeks, though he still looked very sick and still continued to slip out and settle down as the ship banged about.