🧩 词语组成解析
sack
[sæk]
n. 麻袋;洗劫;<英俚>解雇;
vt. 解雇;把…装进袋里;掠夺;
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
Now let's discuss the freight and packing.
现在让我们来讨论一下货运与包装问题。
Have a nice Thanksgiving!
感恩节快乐！
The Karen had been sailing in a convoy to Russia when she was torpedoed by an enemy submarine.
“卡伦”号当年在为其他船只护航驶往俄国的途中突然遭到敌方潜水艇鱼雷的袭击。