Protocell
[医]原始细胞
🗣️ 情景例句
When you learn a new verb, learn its various forms.
学到了新动词时，记住它的各种形式。
The president must have the approval of Congress to declare war.
总统若要宣战，必须获得国会的承认。
He would invent fanciful names on the spot.
他会当场编造出一些稀奇古怪的货名。