坦克停了下来，长长的炮管转过来瞄准了山脊。The tank stopped with the long snout of its gun turned to the ridge.火焰温度较低, 因而可使炮管寿命较长.The flame temperature is lower, thus giving a longer barrel life.二战时期的重型火炮的炮管,也是这么工作的.The heavy gun barrels of W...
马粪尿掺上土, 就是所谓的厩肥.Horses dung and stale mixed soil, were what we called barnyard manure.所产生的家畜粪尿量加重了环境负担.The environmental burden was became heavier due to cow's faeces and urine.古老时期城市经常是有毒地方, 弄脏由人粪尿和残骸.Cities of anc...
他们办完行李托运，到候机室找了座位坐下。They checked in their luggage and found seats in the departure lounge.你可以把行李直接托运到终点。You can check your baggage right through to its final destination.货物已由铁路托运到你处.The goods were consigned to you by rai...