Phenethium
酚乙铵
🗣️ 情景例句
Tongue muscles'training is of great importance in learning any foreigh language.
口腔肌肉训练在学习任何语言时都是非常重要的。
Did you watch the new office building being built?
你看过在建设中的新的办公楼吗？
Yes, please.
好，请拿一本。