Polymethylene
n. [化]聚亚甲基
🗣️ 情景例句
I know that you do a very big international business,
我知道贵公司在国际贸易方面的生意做得很大，
It really depends on when.
那得看什么时候。
The captain of the Elkor ordered his men to salvage as much as possible from the wreck.
“埃尔科”号船长命令船员们尽量从沉船中打捞物品，