成分: composition, make-up, ingredient, element, component, one's social status...
志愿者: volunteer...
多功能: multi-functional, multi-function...
展览: to put on display, to exhibit, exhibition, show...
老字号: shop, firm, or brand of merchandise with a long-established reputation...
审: to examine, to investigate, carefully, to try (in court)...
难看: ugly, unsightly...
血栓: blood clot, thrombus...
嘛: modal particle indicating that sth is obvious, particle indicating a pause for emphasis...
看中: to have a preference for, to fancy, to choose after consideration, to settle on...