Quaternary ammonium base
[化] 季銨堿
?? 詞語組成解析
a. 四個一組的, 四元的, 四價的, 季的\\n[計] 四進制的, 四元的
n. 銨\\n[化] 銨
base
[bes]
n. 基礎;基地;根據;基數（如十進制的10 和二進制的2）;
vt. 基于;把…建立在;把…放在或設在（基地）;把…置于底座（或基座）上;
adj. 卑鄙的;低級的;賤的，劣的;庶生的;
bas,base 表示”低下,基礎”
??? 情景例句
It was so nice meeting you, Mr. Stewart.
很高興遇見你， Stewart先生。
Don't get me wrong.
不要誤會我。
There were books, clothing and photographs, together with letters which the seaman had once received from his wife.
其中有書箱、衣服、照片以及水手收到的妻子的來信。