🧩 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）;
race
[res]
n. 赛跑;人种;竞争;民族;
v. 参加比赛;快速移动;空转;
🗣️ 情景例句
He went to Canada on business.
他因公赴加拿大。
She has a particular interest in painting.
她特别爱好绘画。
Is it a black cat with one white ear and two white legs?
是那只长着一只白耳朵和两条白腿的黑猫吗？