Lethal concentration
[机] 致死浓度
🧩 词语组成解析
🗣️ 情景例句
What a pity! We have another party that day.
太可惜了，我们那天也有个聚会。
Speak less and listen more.
要少说多听。
The cave led back into the rockface and the earth by the entrance was dry.
岩洞迂回延伸到岩面里，靠近洞口的土是干的。