Word

HSK	Not in HSK
FREQUENCY	Unknown

百叶箱 bǎi yè xiāng

Stevenson screen (white box with ventilated sides, housing meteorological instruments)
thermometer screen
instrument shelter

百 bǎi HSK 2	one hundred; numerous, many
叶 yè HSK 4	to harmonize, to rhyme; to unite; (borrowed for) leaf
箱 xiāng HSK 3	case, box, chest, trunk