Laser biology
[化] 激光生物学
🧩 词语组成解析
laser
['lezɚ]
n. 激光;激光器，镭射器;
🗣️ 情景例句
Except for the beard, he hasn't changed in fifty years.
除了有胡须， 他五十年来没有变。
Why?
为什么？
The use of gloves was not introduced until 1860, when the Marquis of Queensberry drew up the first set of rules.
1860年昆斯伯里侯爵第一次为拳击比赛制定了规则，拳击比赛这才用上了手套。