It was surprising when the alkali spectra showed unmistakable doublets.当碱金属光谱显示出不容怀疑的双线结构时,是令人惊奇的.The envelope is called a double of doublets.这种峰叫做双合双重线....
The boys lifted up their legs, indicating they wanted to climb in.男孩们抬起腿，示意想要爬进来。The increase slowed to 0.4 percent, possibly indicating the start of a downtrend.增长幅度降到了0.4%，可能意味着下降的开始。When dog bites dog, each gets a mou...
watch的近义词有：look, see, watch, observe, witness。下面这些动词均有"看"的含义：look：侧看"重"的动作。see：指看见。watch：指用眼睛跟随某物，以便对每一个变化、运动等进行观察。observe：侧重以客观的态度进行观察。witness：指当场看见，亲眼看见。...