Acetoacetic ether
[機] 乙酰醋酸乙酯
?? 詞語組成解析
ether
['i:θ?]
n. <化>醚;the ether 蒼穹;蒼天;太空;
??? 情景例句
Eight straight-back chairs. Thirty folding chairs.
八張直背椅。三十張折摺椅。
Praise makes good men better, and bad men worse.
贊揚使好人更好，壞人更壞。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋轉擺動，但不要上下擺動。