n. [数]数列,序列;顺序;连续;片断插曲;
vt. 使按顺序排列,安排顺序;[生化]确定…的顺序,确定…的化学结构序列;
🗣️ 情景例句
Let's have a talk about it in advance.
我们事先商量一下。
That cat judged the distance before he leapt across the ditch.
猫在越过沟渠以前便判断好其距离了。
Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well.