call onsth
—phrasal verbwithcallverbuk/kɔːl/us/kɑːl/
formalto use something,especiallyaqualitythat you have, inordertoachievesomething
（为完成…而）使用，施展
She would have tocallon all herstrengthif she was tosurvivethe next fewmonths.要想渡过未来几个月的难关，她就必须竭尽全力。
| 单词 | call on sth |
| 释义 |
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