🧩 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
What was that about?
说些什么？
We were waiting for a sight of the Queen.
我们正等着一睹女王的风采。
Two factors weigh heavily against the effectiveness of scientific research in industry.
两个因素严重地影响工业里科学研究的效果：