Polyhead
(噬菌体)聚合头部
🗣️ 情景例句
We would expect to hold them until at least the end of this year.
我们会保持这些价格不变，至少直到今年年底。
You need to transfer at central station.
你必须在中央车站换车。
'May I have two tickets please?' I asked.
“我可以买两张票吗？”