Donald perches on a nearby tree and aims his beak in the same direction. Rat-a-tat-tat, he calls into the air.

唐纳德落在附近一棵树上，嘴巴指着塔尖的方向，Rat - a - tat - tat(咚——啊——咚——咚)，向着天空高唱起来。

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We could hear ambulance sirens outside, with the occasional rat-tat-tat of gunfire.

听得外面有救护车的声音，不时地还听到了几声辟雳啪啦的枪响。

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But the clinical application of TAT and TIG are limited because anaphylaxis is caused by TAT, blood resource is inadequate, and pathogen contamination is caused by TIG.

但由于TAT存在过敏反应，而TIG血液来源困难并存在病原微生物污染等问题，使临床应用上受到了很大的限制。

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Lost in the celebration of those halcyon Charleston days is that the era spanning 1920 (when the 18th Amendment became law) to 1934 (when the amendment was repealed) was marked by raging culture wars, rampant xenophobia, political upheaval, and threats of death or worse that came more often via poisonous industrial-strength alcohol masquerading as low-grade liquor than the rat-a-tat-tat of a Tommy gun.

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Nevertheless, this particular face tat is big and bold, and definitely not going anywhere.

CNN: Apparently This Matters: Face tattoos

The United States and China have exchanged accusations of dumping for years and imposed tit-for-tat duties.

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