Allotrope
n. 同素异形体\\n[化] 同素异形体
🗣️ 情景例句
It's easy to pick something for my colleagues, but it's difficult for my boss.
给同事们的应该不难买，但是给老板的就难罗。
It is a long lane that has no turning.
路必有弯。
The self-discipline required to drag myself out of bed eleven minutes earlier than usual was considerable.
这就要求我比平时早11分钟把自己从床上拽起来，这种自我约束是很艰苦的。