Phospholine
二乙氧膦酰硫胆碱
🗣️ 情景例句
Hi, Alexandra. Welcome.
嗨 Alexandra。欢迎。
A good teacher should always avoid embarrassing his students.
一位好的教师无论何时都应该避免使学生感到难堪。
I can assure you the prices we offer you are very favorable.
我敢保证我们向你提供的价位是合理的。