Catechu black
[化] 兒茶黑
?? 詞語組成解析
n. 兒茶\\n[醫] 兒茶
black
[bl?k]
adj. 黑（色）的;黑色人種的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑顏料;黑暗;
v. 使變黑;抵制;拒絕;使變黑暗;
??? 情景例句
How do you spend your leisure time?
你是怎樣打發業余時間的？
My hobby is collecting coins.
我的嗜好是收集硬幣。
Why does the idea of progress loom so large in the modern world? Surely progress of a particular kind is actually taking place around us and is becoming more and more manifest.
為什么進步這個概念在現代世界顯得如此突出？無疑是因為有一種特殊的進步實際上正在我們周圍發生，而且變得越來越明顯。