Monovalent base
[化] 一价碱; 一酸价碱
🧩 词语组成解析
a. 单价的\\n[医] 一价的, 单价的
base
[bes]
n. 基础;基地;根据;基数（如十进制的10 和二进制的2）;
vt. 基于;把…建立在;把…放在或设在（基地）;把…置于底座（或基座）上;
adj. 卑鄙的;低级的;贱的，劣的;庶生的;
bas,base 表示”低下,基础”
🗣️ 情景例句
Why were you out of work for so long?
你为何这么久没有工作？
How long will it take you to make it?
你要多久才能做好它？
when she remembered that she had gone shopping after the home help had left and she knew that she had turned both keys in their locks,
但突然记起来了，帮手是在她出去买东西之前走的，她还记得曾用了两把钥匙把大门锁上了。