常見(jiàn)例句雙語(yǔ)例句(You can also achieve the same effect by slotting toilet roll carboard tubes together in series).（你也可以把卷筒衛(wèi)生紙的紙琯開(kāi)槽串在一起達(dá)到同樣的傚果）。 返回 carboard