Ulcers
n. 溃疡, 疡（ulcer的复数）
🗣️ 情景例句
Including Susan.
包括Susan的。
I'm always tired when I come home from work.
当我完成工作回家时，我总是疲倦的。
The makers of the nerve poison include the mambas and the cobras and their venom is called neurotoxic.
产生神经毒液的蛇有一种非洲树眼镜蛇和眼镜蛇，它们的毒液称为神经毒素。