Ectosymbiont
[生态]外共生体
🗣️ 情景例句
When you have nothing to do, time goes slowly.
你没事做时，时间便过得很慢。
Don't put off till tomorrow what should be done today.
今日事，今日毕。
Hello. Is that Rik?
喂，是瑞克吗？