Phosvel
对溴磷
🗣️ 情景例句
I know what you mean. I'v been there.
我明白你的意思。 我深有体会。
I ask him to see the doctor.
我要求他去看医生。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压，可以煮少量水的便携式热水装置是有用的。