Erl
abbr. emergency reference level 紧急参考标准
🗣️ 情景例句
Eleven o'clock, approve the sketches for the toy spaceship.
十一点钟， 批示玩具太空船的草图。
Sadness and gladness succeed each other.
悲喜互继，哀乐相续。
One authority on spiders made a census of the spiders in grass field in the south of England,
一位研究蜘蛛的权威对英国南部一块草坪上的蜘蛛作了一次调查。