Monobasic ester
[化] 一堿價酯
?? 詞語組成解析
a. 一元的\\n[化] 一價的; 一堿價的; 一元的; 一取代的
n. 酯\\n[化] 酯
??? 情景例句
He was very helpful to me, remember?
他幫過我大忙， 記得嗎？
Until the end of the week.
借到周末。
Did you know he was having an affair?
你知道他有外遇了嗎？