Serovaccination
血清菌苗免疫法
🗣️ 情景例句
I'll hang it in my office. But I feel bad I didn't get you anything.
我要把它挂在办公室。不过，真不好意思，我什么也没送你。
The shore man is carrying a heavy load.
码头工人在搬运沉重的东西。
You can buy whatever you need if you have enough money.
钱多了，你需要什么就可以买什么。