Boiler shell
[化] 锅炉壳体
🧩 词语组成解析
shell
[ʃel]
n. （贝、卵、坚果等的）壳;外壳;炮弹;（人的）表面性格;
vt. 去壳，脱落;炮击;
vi. 剥皮;炮轰;
🗣️ 情景例句
The vitality of the movement is threatened.
这个运动的生命力岌岌可危。
It is harder to marry a daughter well than to bring her up well.
养女容易嫁女难。
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。