It was autumn, and leaves were fluttering down in the light wind.现在是秋天, 树叶在微风中飘落下来....a butterfly fluttering its wings.挥动着翅膀的蝴蝶Thus, also, you pass from the lumpish grub the earth to the and fluttering butterfly.这样, 你还可以...
Darn it! I’ve lost my keys!真见鬼，我的钥匙丟了！I know how to darn, and how to sew a button on.我会打补丁，缝纽扣。These are the friendliest darn bulldogs in the world.它们是世界上最友好的牛头犬.There's not a darn thing he can do about it...他对此根本无能...
High ductility and excellent bendability to form bends, loops and complicated configurations without fracture.良好的延展性和成行性,可弯制各种曲及复杂的形状且不断裂.The larger the thermal gradient, the lower the anisothermal ductility.温度梯度越大, 不等温韧...