🧩 词语组成解析
black
[blæk]
adj. 黑(色)的;黑色人种的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑颜料;黑暗;
v. 使变黑;抵制;拒绝;使变黑暗;
elder
['eldə(r)]
n. 长者;长辈;元老;比…年长的人;
adj. 年纪较大的;资格老的;老练的;
🗣️ 情景例句
I'm sorry, Mom.
我很难过, 妈妈。
Take it. Otherwise you can't go on the trip.
喝了它,不然你不能继续旅行了。
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。