Diffusion shell
[医] 扩散罩(用于阿布德豪登氏反应的小半透膜囊)
🧩 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
Help! Help! I can't swim!
救命！ 救命！ 我不会游泳
The college was established in 1940.
该学院建立于1940年。
If, however, you were holding an open air garden party or a fete it would be equally possible to insure yourself in the event of bad weather.
如果你要举办一次露天游园会或盛宴，为避免碰上不好的天气而遭受损失也同样可以保险，