The release of winged - seed from Acer and Fraxinus species, can be encouraged by shakers.对于槭属和梣属等种子有翅的树种, 可以用摇树机摇落.Acer intends to bring a similar product to market.宏碁也打算将一款类似产品推向市场.Acer was also criticized for its slow...
Barely had the bulldozers started when Museum of London archaeologists swooped.推土机刚一启动，伦敦博物馆的考古学家们就蜂拥而至了。Huge rockslides at times bury bulldozers and other machines.有时候巨大岩石崩落埋没了压路机及其他机器.The bulldozers quickly leveled off...