Is your <cousin> <downstairs>? No, she's <upstairs>.
cousin (n): anh/chị/em họ; downstairs/upstairs (adv): trên lầu/dưới lầu
15
The scientist <came up with> an idea (ý tưởng) about a new <device> yesterday.
come up with: nảy ra; device (n): thiết bị
15
The scientist and her assistant are <conducting> an <experiment>.
conduct (v): thực hiện; experiment (v, n): thí nghiệm
15
I'm sorry but Mr. Adams is out at the moment. Would you like to leave a <message>? Oh... So you want to ask about your <stationery order>? Yes, I'll write it down.
message (n): tin nhắn; stationery order: hàng văn phòng phẩm đặt trước
15
"Who should I contact if I want to ask about your <delivery service>?", the <customer> asked.
delivery service: dịch vụ giao hàng; customer (n): khách hàng
15
There was an _____ of new inventions in the city center. (exhibit)
exhibition (n): buổi triển lãm
15
Anne is working as Dr. Brown's personal _____. Thanks to her _____, Dr. Brown has come up with a new cure for the disease. (assist)
assistant (n): trợ lý - assistance (n): sự trợ giúp
15
After I _____ a new device, I will present my _____ to the public at the exhibition next week. (invent)
invent (v): phát minh - invention (n): phát minh, sự phát minh
15
Marconi was the _____ of the radio. He also made a lot of _____ in the field of telegraphyh.
inventor (n): nhà phát minh - inventions (n): phát minh
15
Hold on, I'm trying to make an _____ for the trip to the city center next month. Could you help me _____ this afternoon meeting (cuộc họp)? (arrange)
arrangement (n): sự sắp xếp - arrange (v): sắp xếp
15
"Could you _____ how to use this camera?" "Okay, I'll give you a quick _____." (demonstrate)
demonstrate (v): trình bày - demonstration (n): màn trình bày
15
Ho Chi MInh City is an important _____ center. (commerce)