Barrier penetration
[化] 势垒穿透
🧩 词语组成解析
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
How long will you be working in Canada?
你将在加拿大工作多久？
This, however, means nothing.
但是，这没有什么关系，