🧩 词语组成解析
non
[[nɔn]]
adv. 非, 不
certification
[ˌsə:tifi'keiʃən]
n. 证明，鉴定，证书;
🗣️ 情景例句
Are you carrying any items that need to be declared?
你没有携带需要申报的东西吗？
A stitch in time saves nine.
小洞不补，大洞吃苦。
Sending a fax is more expensive than posting a letter, but much quicker.
发传真比寄信要贵些，但是要快得多。