Backstopping
支援（backstop的现在分词）
🗣️ 情景例句
Creep--c-r-e-e-p.
Creep c-r-e-e-p。
Strong packing will protect the goods from any possible damage during transit.
坚固的包装可以防止货物在运输途中受到任何损失。
Mrs.Richards realized that it must be the man from the Electricity Board who had come to read the metre.
理查兹夫人这才想到一定是供电局来人查电表了。