titanium bronze

基本解釋

We have a variety of frames, such as Titanium, gold, silver, bronze and so on.
咱們有各類(lèi)各樣的鏡架，好比鈦、金、銀、古銅等等。
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I mean, from the bronze age up to titanium alloy steel you had all this amazing progress, and since then — nothing.
我是說(shuō)，從青銅時(shí)代到鈦合金鋼，人類(lèi)取得了巨大的進(jìn)步，可是從那以后呢？ ---再?zèng)]有了。