Immunostimulant
免疫刺激剂
🗣️ 情景例句
It's a privilege to know you.
认识您是我的荣幸。
To minimize any possible damage, we've packed our goods in the way to suit for long sea-voyage.
为使损失减少到最低限度，我们对货物的包装足以承受长途海运。
In the life her thoughts were on lunch and a good rest;
她乘上电梯后，只想着午餐和好好休息一下。