n.迅速增長(zhǎng);激烈增殖
動(dòng)詞mushroom的現(xiàn)在分詞形式.
He taught us where we could find the best mushrooms. 他教給我們,在哪里可以找到最好的蘑菇。
New blocks of flats and offices have mushroomed all over the city. 在全市各處如雨后春筍般出現(xiàn)了許多新公寓和辦公樓。