🧩 词语组成解析
European
[ˌjuərə'pi(:)ən]
adj. 欧洲的，欧洲人的;欧盟的;
n. 欧洲人;
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;
alder
['ɔ:ldə]
n. 桤木;
🗣️ 情景例句
He took care of my daughter
我女儿曾受他照顾，
Have a nice Thanksgiving!
感恩节快乐！
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，