Lower toxic limit
[化] 毒物浓度下限
🧩 词语组成解析
lower
['ləuə]
adj. 下方的;在底部的;较低级的;
v. 降低;减少;缩小;
🗣️ 情景例句
He's like a little doll.
他像个小洋娃娃。
My uncle was a pilot with the airlines.He just retired.
我的叔叔是航空公司的一名飞行员，他刚退休了。
We spent some time looking around under the trees for some wood.
我们花了些时间在树下四周找木柴。