短語(yǔ)詞組短語(yǔ)round -bottomed flask with long neck 長(zhǎng)頸圓底燒瓶round d bottomed flask 圓底燒瓶long -necked round-bottomed flask 長(zhǎng)筒圓底燒瓶round bottomed cup 球底筒形拉延件 返回 round bottom