Activity buffer
[计] 活动缓冲区
🧩 词语组成解析
buffer
['bʌfɚ]
n. 缓冲器;起缓冲作用的人（或物）;[化]缓冲液，缓冲剂;[计]缓冲区;
vt. 缓冲;[化]把缓冲液加入（溶液）;
🗣️ 情景例句
It is OK to ask children how old they are.
问小孩多大了是可以的。
Send a postcard to me when you arrive in Shanghai.
你到上海以后给我发张明信片。
What was it like?
那次地震怎么样？