Space maintainer
[医] 间隙保持器
🧩 词语组成解析
space
[spes]
n. 空间，太空;空白，间隔;空隙;片刻;
vt. 把…分隔开，留间隔于…之间;
vi. 以一定间隔排列;
[医] 保持器
🗣️ 情景例句
You don't seem very enthusiastic about his suggestion.
你似乎对于他的建议并不很感兴趣。
A man cannot whistle and drink at he same time.
一心不能二用。
“I wish I'd known about that rule earlier, she said.
“我要是早点知道这个规矩就好了！”她说。