Er
[ [ə:] ]
公共 Public
[医] 铒(68号元素)
📖 牛津释义
ER
abbr 缩写 = (eg on post-boxes) Queen Elizabeth (Latin Elizabetha Regina) （如邮政信箱上的字样）伊丽莎白女王（源自拉丁文Elizabetha Regina）. Cf 参看 GR.
🗣️ 情景例句
Well, make yourselves comfortable.
噢， 请大家自便。
Would you take this coat to the cleaner's?
你可以把这件外套送到洗衣店吗？
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。