Tightening rails
[化] 張緊滑軌
?? 詞語組成解析
[化] 擰緊
鐵路股票
??? 情景例句
Is this five-two-one double eight six-four?
這里是521-8864嗎？
A good beginning makes a good ending.
善始者必善其終。
Not all sounds made by animals serve as language.
動物發出的聲音不都是用作語言交際。