Lǎoshī yòng dìqiúyí xiàng xuésheng jiǎngjiě gè dàzhōu de wèizhi.
The teacher used a globe to explain the locations of the continents to the students.
Tips
memory
地球 = 'Earth' and 仪 = instrument/apparatus. A 地球仪 is literally an 'Earth instrument' - a tool representing the globe. 仪 appears in many instrument words: 仪器 (instrument), 仪表 (meter/gauge).
