Marpol
国际防止船舶造成污染公约
🗣️ 情景例句
When you have a business meeting in the United States, come to the appointment on time.
当你在美国有商务会晤时，一定要按时赴约。
A servant is known by his master's absence.
主人不在可以看出仆人的品行来。
Do we have to wear the helmets?
我们得戴上防护帽吗？