Boron steel
[机] 硼钢
🧩 词语组成解析
boron
[['bɔ:rɔn]]
n. 硼\\n[化] 硼B
steel
[stil]
n. 钢，钢铁;钢制品;兵器;钢铁工业;
vt. 包上或镀上钢;使坚定;
adj. 钢制的;钢铁业的;坚强的;[色彩]青灰色的;
🗣️ 情景例句
I have to cram all night for tomorrow's exams.
为了明天的考试，我得熬夜临阵磨枪。
I'm sorry, but it's just not possible.
抱歉，实在是爱莫能助。
Excuse me.Where's the nearest post office, please?
请问。最近的邮局在哪里？