Bacterin
n. 疫苗, 菌苗
🗣️ 情景例句
Can you give me a hand with my homework?
你能帮忙教我做家庭作业吗？
Hoist your sail when the wind is fair.
随机应变。
many of them serious and senior scientists---- who dream of sending people to it.
其中的不少人是认真和资深的科学家，他们一直梦想着把人送上火星。