Divalerin
甘油二戊酸酯
🗣️ 情景例句
When would you be fond of receiving the call?
你喜欢什么时候叫您？
My son has outgrown these trousers.
我儿子已经长的穿不了这条裤子了。
Send it the fastest possible way.
用最快的方式。