n. 负荷;负担;装载;工作量;
vt. 使担负;装填;把…装入或装上;装满,堆积;
vi. 加载;装载;装货;
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
He informed them that his mother had died.
他通知他们的母亲死了。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.