🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
nigger
[['nigə]]
n. 黑人, 社会地位低下的人, 深棕色\\n[法] 被歧视者, 有黑人血统者
🗣️ 情景例句
Hei mister, I'm lost.
先生我迷路了。
Will it be convenient for you to explain your plans to him?
你向他解释计划将是方便的吗？
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。