Monoisotopic
單一同位素的
??? 情景例句
Then walk two blocks to the traffic light.
再走兩條街到紅綠燈處
But you just got here. Can't you stay a little longer?
不過你剛來呀。不能再呆一會了嗎？
The ball struck him so hard that he nearly fell into the water.
球重重地打在他身上，使他差點兒落入水中。