Alkynyl magnesium halide
[化] 卤化炔镁
🧩 词语组成解析
炔基
magnesium
[mæg'ni:zjəm]
n. [化]镁（金属元素）;
n. 卤化物\\na. 卤化物的
🗣️ 情景例句
That was very kind of you.
你真周到。
I'm awfully sorry.
真是对不起。
Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs.
虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑——即我们常说的PC机——所代替了。