Ethyl ketene
[医] 乙基乙烯酮
🧩 词语组成解析
[化] 乙基\\n[医] 乙基
n. [化] 乙烯酮, 烯酮
🗣️ 情景例句
He cancelled his appointment.
他取消约会了。
Want of care does us more damage than want of knowledge.
粗心比无知更为有害。
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。