Double-hull
双层壳
🧩 词语组成解析
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
hull
[hʌl]
n. 果皮，外皮;[航海]船壳，船体;外壳;
vt. 去（谷物、豆等的）壳;
🗣️ 情景例句
He's a Boswell voter.
他是Boswell的支持者。
A wise man thinks all that he says,a fool says all that he thinks.
聪明人想了才说，愚笨的人想着就说。
His talk covered many subjects.
他的报告涉及很多课题。