Backteriological warfare
[法] 细菌战
🧩 词语组成解析
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
I got many channels on the TV set.
我的电视机有很多频道。
I have two cats. One is white, the other is black.
我有两只猫，一只是白猫，另一只是黑猫。