A vacant lot or a bombsite can, to the amateur naturalist, produce an extraordinary variety of flora and fauna.对于业余博物学者来说,在一片空地上或被炸后的废墟里可能发现种类繁多的植物群和动物群。Litter breakdown or fragmentation is due to the litter fauna.落叶层粉碎的...
The spokesman said the tone of the letter was very friendly.发言人说信函的语气非常友好。She was somewhat unapproachable but I'm sure she wanted to be friendly.她有些不好接近,但我确信她想表现得友好一些。On balance, the book is a friendly, down-to-eart...