1.weigh up to 重達
Some larger cans weigh up to a pound (or more) and could be used for upper body exercises.
一些較大的罐頭重達一磅(甚至更多),可以被用作上肢的鍛煉。
2.interfere with 干擾,干涉
Yes, this is communication, but there is very little opportunity for noise from an outside source to interfere with the communication.
的確,這就是溝通,但是來自外界的噪音很少有機會來干擾這個溝通。
3.equivalent of 相當于
For all of that, even with extra pay for overtime, he earned the equivalent of $1 an hour.
雖然加班有額外的加班費,他掙的錢也只相當于1美元一小時。