-(靠边的或分界的地方)border;boundary;edge:
theedgeofabodyofwater;waterside;际水
horizon;天际
-(里边;中间)inside:
inone'shead[mind]脑际
-(彼此之间)between;among;inter-:
betweenspringandsummer;春夏之际
international;betweennations;国际
-(时候)occasion;time:
atthetimeofparting;临别之际
themomentbetweenlifeanddeath;生死之际
-(遭遇)one'slot;circumstances:
vicissitudesinone'slife;one'slot遭际