重點講解：
1. come out
出現(xiàn)；出來；
eg. Bats come out only at night.
蝙蝠只在晚上出來活動。
eg. That magazine comes out once a month.
那個雜志每月出一期。
2. a puff of
（吹出的）一縷，一股；
eg. Wind caught the sudden puff of dust and blew it inland.
風猛地刮起一陣灰塵，將它吹往內(nèi)陸。
eg. There was a puff of steam from the engine before it stopped.
機車噴出一股蒸氣后就停了下來。
3. grant
v. 授予；給予；
eg. France has agreed to grant him political asylum.
法國已經(jīng)同意給予他政治避難。
eg. Permission was granted a few weeks ago.
幾周前已獲得了許可。
eg. Visa exemption does not grant the right to work.
豁免簽證并不授予工作的權利。