Stir the batter every now and then to keep it from separating.不时搅动面糊，防止其成分散开。Stir the ingredients thoroughly.把这些材料彻底搅和起来。With plenty of experiments, the parameters of copperplate friction stir welding are optimized.通过大量试...
Make a point of backing up your files at regular intervals.一定要定期备份文件。Tapes provided the backing.磁带伴奏。Johnson now sings backing vocals for Mica Paris.约翰逊现在为迈卡·帕里斯伴唱。...