Cocatannic acid
[化] 柯卡单宁酸\\n[医] 古柯鞣酸
🧩 词语组成解析
🗣️ 情景例句
It's about my grandfather.
是关于我爷爷。
The ox when weariest treads surest.
牛困走得稳。
During these tests she was able to read a newspaper through an opaque screen and,
在这些测试中，她能隔着不透明的屏幕读报纸。