Graphite and even its linear counterpart, poly ( p - phenylene ) are too insoluble, infusible, and brittle.石墨甚至其线性物 聚苯,过于不溶, 不溶和发脆.This paper introduces the CQ - 1 and NS - 916 type cleaning agent of infusible scale.对研制成...
Kelly got the grime off his hands before rejoining her in the kitchen.凯利洗去手上的污垢，又回到厨房来帮她的忙。After the battle the soldier had trouble rejoining his unit.战斗结束后,战士很难重返队伍.Buses have difficulty in gaining access to bus stops a...
The beach was crowded with bathers.海滩上挤满了游泳嬉戏的人们。The beach is swarming with bathers.海滩满是海水浴的人.Cloudy sky drove the bathers off the beach.阴霾的天空把海滩上的游客都赶跑了.Bathers would go straight from the hot room to take a cold plunge....