Alkyle
[医] 烃基化物
🗣️ 情景例句
Hello, Philip.
哈喽，Philip。
Industry if fortune's right hand, and frugality her left.
勤勉是幸福的右手，节俭是幸福的左手。
People had to use other ways to record information.
人们只得使用其他方法记录资料。