Van der waals attraction
[机] 范得瓦力
🧩 词语组成解析
van
[væn]
n. 先锋;厢式货车;增值网;先驱，前驱，领袖，领导人;
vt. 用车搬运;
prep. 〈外〉同“from”;
abbr. 区分编码规则（Distinguished Encoding Rules）
（荷兰物理学家；曾获1910年诺贝尔物理学奖）瓦尔斯（姓氏）
🗣️ 情景例句
But please call first.
不过，请你先打电话。
The tongue is not made of steel,yet it cuts.
舌头不是钢，一动把人伤。
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.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。