There may be a need for retarding growth chemically to keep trees within bounds.可能需要用化学剂抑制生长,使树冠保持在一定的范围内.This invention relates to the field of concrete complex super - retarding water reducers.本发明涉及一种复合混凝土超缓凝减水剂领域.In t...
The new e-books will include a host of Rough Guide titles.新电子书将包括大量的简明指南。He left a host of other riders trailing in his slipstream.他把其他的摩托车手甩在身后。A host of problems may delay the opening of the Channel Tunnel.可能推迟英吉利海峡隧道开...