他们是一球形 、 环形或锥形的一部分.They are portions of a sphere, a torus or a cone.可以认为锥形的自由基比较活泼.It is argued that the pyramidal radical would be more reactive.并且锥体和锥形圈可以是双锥形的.Both the conic ring and the cone may be double ones....
大量此类信息在警察机关其他部门中流传。A lot of this information flowed through other police departments.关于这件事正有一则恶意的谣言在流传。There's a nasty sort of rumour going around about it.这则古老的寓言流传了数个世纪。The old fable continues to echo down the cen...