this fall今年秋天thispron.这；这个adj.这个adv.这样；这么This is an awareness test.这是一个注意力测试。This is a formidable move.这是一种很利害的手段。This card has no function.这张卡没有特殊功能。This student is very dull.这个学生非常愚钝。This shop sells pacifiers.这个商店出售橡皮乳头。This game is child's play.This letter is overweight.这封信超重了。This candy tastes of mint.这糖果有薄荷味。This pen writes very well.这支笔挺好使。This is a two-way swich.这是个双向开关.