Invariable behavior
[医] 固定性活动
🧩 词语组成解析
invariable
[[in'veəriəbəl]]
n. 不变的东西, 常数\\na. 不变的, 常数的
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
He has been to America.
他去过美国。[曾经有过的经验]
A girl came in and put an envelope on his desk.
一个姑娘走了进来，把一个信封放在了他桌上。