Dosis efficax
[醫(yī)] 有效量, 治愈量
?? 詞語組成解析
[醫(yī)] 量, [一次]劑量, 一劑
??? 情景例句
I'll write if you will.
我會(huì)給你寫信，你也要寫哦。
People go to visit their parents, relatives and friends.
人們出門探望父母、親威和朋友。
What a surprise!
太令人驚訝了！