In tubers from such potatoes stem mottle symptoms are rarely observed.由这类马玲薯产生的块茎中茎斑驳症状不易观察到.The buds grow into new plants which produce new tubers.芽长成新株,新株生出新的块茎.By age 10, 50 % of patients have calcified cortical tuber...
The sand massed to form a dune.沙积集起来成了沙丘.The Assumption of the Sand - dune.沙丘的傲慢自负.Using ecological mat to control mobile sand dune can achieve outstanding effect.应用生态垫结合植物措施治理流动沙丘可达到立竿见影的效果....
...the sighting of a rare sea bird at Lundy island...在兰迪岛上看到一种珍稀海鸟a reported sighting of the Loch Ness monster据报道有人看见尼斯湖水怪This sighting occurred during my dive to a sunken wreck off Sardinia.这是我在撒丁岛附近的沉船残骸处潜水时所见的景象。Have ...