Span and tween
[化] 斯盘和吐温
🧩 词语组成解析
span
[spæn]
n. 共轭（马、骡）;跨度，墩距;一段时间;[航] 跨绳;
vt. 缚住或扎牢;跨越时间或空间;以掌测量;以手围绕测量类似测量;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
[医] 吐温(一类表面活性剂的商品名,聚氧乙烯山梨醇的脂肪酸脂)
🗣️ 情景例句
You've been very thoughtful.
你一直都很周到。
Which one is more convenient?
哪一个是比较方便的？
lack of physical and mental energy, both of which are essential in turning out and throwing away, and sentiment.
一是体力，精力均告不佳，这二者是清除无用的东西必不可少的因素；另一原因是感情因素。