Once an opportunity slips away, it is gone for good.
机会一旦错过，永远不会再来。
疯狂英语演讲真功夫卡
自我介绍 - 和谐是公司事业成功之源泉（二）
📚 句中词汇解析
从本句中提取的重要词汇
adv. 一次，一趟;一倍;曾经;一旦;
conj. 一旦…就…;一经;
n. 一次，一回;
💡 on=one一+ce次 → 一次
"Once in the bloodstream, the bacteria adhere to the surface of the red cells."
细菌一进入血液里，就附着在红细胞表面上。
近义：heretofore, occasionally, onetime, previously, sometimes, thereinbefore
n. 机会;适当的时机良机;有利的环境，条件;
💡 op=ob靠近 + portun=harbor港口+ ity 表名词 → 向港口靠近 →机会
"He took the opportunity to deliver us another snub."
他借机再次冷落我们.
近义：instance, occasion, case, episode, event, happening
反义：hindrance, hitch, knot, misadventure, mishap, obstacle
adv. 离开，远离;在远处;消失;
adj. 不在的;遥远的;客场比赛;
💡 a(on)+broad→在远方；离去；不在
"In the hotel, the old men were drinking away as usual."
在旅馆里, 这些老人和往常一样喝个不停.
近义：abroad, out, outdoors, outside, without
adj. 过去的;用完了;死去的;无望的，无可挽救的;
v. go的过去分词;
"He's gone AWOL from his base."
他从基地开了小差。
近义：absent, missing, departed